- Home
- Bikes
- Mountain
- Dual Suspension
- Polygon Siskiu T8 - Mountain Bike
























Description

ANY TRAIL, ANY RIDER!
The Siskiu T is Polygon's do-it-all trail bike for riders of all levels. From flowy singletrack to technical features, this bike is designed to conquer any trail you encounter. With a lightweight alloy frame, 135/140mm of rear travel, and size-specific wheel sizes, it's both nimble and stable, providing a comfortable and confidence-inspiring ride.

ULTIMATE VALUE
Don't let the price fool you - the Siskiu T delivers high-performance features typically found on more expensive bikes. Modern geometry, quality air suspension, a 1x drivetrain, and a dropper post give you the tools to climb with ease and attack the descents. Experience the thrill of modern trail riding without breaking the bank.

A TRUSTED BRAND
Polygon is a factory-direct brand with over 30 years of experience crafting high-performance bikes at competitive prices. Vertically integrated manufacturing ensures quality and cost savings. Their mountain bikes have been tested on the world stage at events like Redbull Rampage and the World Cup circuit, boasting a 5-year frame warranty for peace of mind.

FOX 34 RHYTHM FORK
Experience 150/140mm of air-sprung travel for a smooth and controlled ride. Its Grip damper and adjustable rebound provide a responsive feel on the trail. Add or remove volume spacers to fine-tune bottom-out resistance.

FOX FLOAT DPS SHOCK
The Fox Float DPS Performance Series EVOL LV offers a 2-position lever for quick Open and Lock adjustments. With its EVOL air spring, rebound adjuster, and volume spacers, it delivers enhanced tuning and fine-tuned progression for optimal ride quality.

ONE-PIECE LINK
Sometimes simple is better! The linkage-actuated single pivot offers active and progressive suspension making for a supple ride on technical sections and a playful ride on flow trails, while the one-piece pivot bridge reduces flex and saves weight.

SHIMANO SLX 1X12 DRIVETRAIN
The 12-speed drivetrain is paired with a Sunrace 11-51T cassette, giving you a +500% gear ratio and features Shadow+ technology.

WHEELSIZE FIT
The perfect fit for all riders. Smaller sizes come in 27.5" for nimble handling and a lower standover. Medium riders can choose between 27.5" or 29" wheels, while larger sizes get the added stability and rollover of 29" wheels.
Components
FRAMESET
SUSPENSION
DRIVETRAIN
BRAKES
WHEELS
CONTACT POINTS
WEIGHT
*Specs are subject to change based on availability
Geometry
Frame Size | S (27.5") | S (29") | M (27.5") | M (29") | L (29") | XL (29") |
Height (cm) | 5'2"-5'6" | 5'2"-5'6" | 5'6"-5'10" | 5'6"-5'10" | 5'10"-6'1" | 6'1"-6'5" |
(A) Frame stack | 593.5 | 594.0 | 607.1 | 607.6 | 621.2 | 634.9 |
(B) Frame reach | 440 | 440 | 460 | 460 | 480 | 500 |
(C) Head tube angle | 65° | 65.5° | 65° | 65.5° | 65.5° | 65.5° |
(D) Head tube length | 105 | 90 | 120 | 90 | 105 | 120 |
(E) Seat tube angle | 71° | 70.5° | 71° | 70.5° | 70.5° | 70.5° |
Effective seat tube angle | 76.5° | 76.5° | 76.5° | 76.5° | 76.5° | 76.5° |
(F) Seat tube length | 385 | 385 | 400 | 400 | 415 | 430 |
(G) Effective top tube | 582.5 | 583.0 | 605 | 605.9 | 629.1 | 652.4 |
(H) BB Height | 335 | 335 | 335 | 335 | 335 | 335 |
(I) BB offset | 20 (Drop) | 39 (Drop) | 20 (Drop) | 39 (Drop) | 39 (Drop) | 39 (Drop) |
(J) Chainstay length | 425 | 430 | 425 | 430 | 430 | 430 |
(K) Wheelbase | 1172.8 | 1173.5 | 1199.1 | 1193.5 | 1219.7 | 1245.9 |
(L) Standover height | 690 | 695 | 695 | 700 | 710 | 720 |
Front Travel | 150 | 140 | 150 | 140 | 140 | 140 |
Rear Travel | 140 | 135 | 140 | 135 | 135 | 135 |
Dropper Post Travel | 150 | 150 | 150 | 150 | 170 | 170 |
Maximum Tyre Width | 2.6" | 2.6" | ||||
Maximum Chainring Size | 36T | 36T |
* All lengths in mm
Assembly
As a guide, it'll take 10-40min depending on whether you're an experienced bike assembler or have little to no mechanical experience.
Side Note: Your cables will stretch during the initial bed-in period and must be adjusted by an experienced mechanic around 150km of riding.
Unboxing Your Bike
Dial In Your Suspension Setup
Dial In Your Bike Fit
Dial In Your Tyre Pressures
Pre-Ride Check
Unboxing Your Bike
Dial In Your Suspension Setup
Dial In Your Bike Fit
Dial In Your Tyre Pressures
Pre-Ride Check
Compare this bike

- DescriptionThe Polygon Siskiu T8 is the ultimate all-mountain shredder, boasting 135/140mm of travel, a playful trail geometry, and a capable Fox Float DPS/34 Rhythm suspension combo. Shimano's SLX 12-speed drivetrain and 4-piston brakes deliver reliable performance for conquering any trail.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkFox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost AxleshockFox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
- DRIVETRAINrear derailleurShimano SLX RD-M7100, 12-Speedfront derailleurN/AshifterShimano SLX SL-M7100, 12-SpeedcrankShimano FC-MT-510-1chainring32TcassetteSunrace CSMZ-800, 11-51T, 12-SpeedchainKMC X-12
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rear brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rotorN/A
- WHEELSfront hubNovatec D791SB, 15X110mmrear hubNovatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock*rimEntity XL2 Disc (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 29x2.6", Tubeless Readymax tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntityseatpostKS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mm wide, 35mm DiametergripsPolygon Lock OnstemEntity Xpert, Alloy, 35mm length, 35mm Clamping DiameterpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weight33.5 lbs (Size M 29)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionThe Polygon Siskiu T8 is the ultimate all-mountain shredder, boasting 135/140mm of travel, a playful trail geometry, and a capable Fox Float DPS/34 Rhythm suspension combo. Shimano's SLX 12-speed drivetrain and 4-piston brakes deliver reliable performance for conquering any trail.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkFox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost AxleshockFox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
- DRIVETRAINrear derailleurShimano SLX RD-M7100, 12-Speedfront derailleurN/AshifterShimano SLX SL-M7100, 12-SpeedcrankShimano FC-MT-510-1chainring32TcassetteSunrace CSMZ-800, 11-51T, 12-SpeedchainKMC X-12
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rear brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rotorN/A
- WHEELSfront hubNovatec D791SB, 15X110mmrear hubNovatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock*rimEntity XL2 Disc (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 29x2.6", Tubeless Readymax tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntityseatpostKS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mm wide, 35mm DiametergripsPolygon Lock OnstemEntity Xpert, Alloy, 35mm length, 35mm Clamping DiameterpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weight33.5 lbs (Size M 29)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionThere’s nothing better than getting outdoors and experiencing life with your little bestie. This is why we created the perfect kid’s performance mountain bike with a good spread of features like premium components, plush air-spring suspension, and hydraulic disc brakes all paired with an ultralight aluminium frame.
- FRAMESETframeALX 6061 Aluminum Frame, Smooth Welding Technology, Internal Cable Routing, Dropper Post CompatibleheadsetZero Stack w/ Caged Bearing, ZS 44/28.6 | ZS 56/30
- SUSPENSIONforkSuntour XCR AIR, 80mm Travel, Lockout Adjuster, Straight Steerer, QR AxleshockN/A
- DRIVETRAINrear derailleurMicroshift RD-M6205GM 10-Speedfront derailleurN/AshifterMicroshift SL-M9505 10-Speed TriggercrankProwheel charm 30T, Crank arm: 140mmchainringN/AcassetteSunrace CSMS3 10-SPEED 11-42TchainKMC X10 10-Speed
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeN/Arear brakeN/ArotorClarks 160mm 6B
- WHEELSfront hubFormula DC-20 QRx100mm 32H 6Brear hubFormula DC-1422 QRx135mm 32H 6BrimDouble-wall, 30mm internal width *tyreVee Tire Crown Gem 24x2.25", MPC Compound, Wire bead *max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleBlack, Seel ø7mmseatpostEntity Expert, 27.2x350mmhandlebarEntity Expert, W: 640mm, BB: 31.8mm, R/D: 20mm, B: 6 degreegripsN/AstemEntity Expert, EXT: 45mm, BB: 31.8mm, R/D: 3 degreepedalsN/A
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionBuilt for dirt jumpers and pros with a 6061 alloy frame, adjustable chain stays, and a tapered headtube for excellent maneuverability. Featuring a 100mm X-Fusion Slant DJ fork, singlespeed drivetrain, Tektro HDM275 disc brakes, and Kenda K-RAD tires, it’s perfect for pump tracks, dirt jumps, and street shredding.
- FRAMESETframeVoltage YZ DJ 6061 Alloy Hydroformed tubing Disc Dropout / Horizontal for 135x10mm SingleSpeedheadsetSyncros OE Press Fit E2 / Tapered 1.5"-1 1/8" OD 50/62mm / ID 44/56mm
- SUSPENSIONforkX-Fusion Slant DJ 100mm travel / Air / Lo Comp / ReboundshockN/A
- DRIVETRAINrear derailleurN/Afront derailleurN/AshifterN/AcrankSCOTT Cr-Mo 3-piece Cranks 170mm / 25T Alloy BMX Sprocketchainring25T Alloy BMX SprocketcassetteSprocket / 12TchainKMC Z510
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeTektro HDM275 Hydraulic Discrear brakeTektro HDM275 Hydraulic DiscrotorTektro / 6 Bolt / 160mm
- WHEELSfront hubFormula DC-51 / 15x100mm / Thru Axlerear hubFormula DC42-N w/tracknut / Single SpeedrimSyncros MD25 Disc / 32HtyreKenda K905 K-RAD / 30TPI / Wire / 26x2.3"max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleSyncros DJ1.5 / PivotalseatpostSyncros DJ1.5 / Pivotal / 31.6mmhandlebarSyncros Hixon 2.0 Rise 31.8mm / 800mm / 20mm RisegripsSyncros Pro DH Lock-on GripsstemSyncros XM1.5 31.8mm / 40mm / 0°pedalsWellgo B107.N Flat
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionThe Polygon Siskiu T7 is a versatile 140mm-travel trail bike built for all-mountain adventures. With a lightweight alloy frame, RockShox suspension, Shimano Deore 1x12 drivetrain, dropper post and powerful 4-piston brakes, it's ready to tackle any singletrack with confidence and control.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (27.5"/29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkRockShox Recon Silver-RL, Solo Air, Rebound, Compression To Lock, Tapered, 150/140mm Travel (27.5"/29"), Maxle Stealth Axle 15x110mm BoostshockRockshox Deluxe Select Plus, Debon Air, Rebound, 2-Position Compression, Custom Tune, E2E: 210x55mm, Hardware: M8x25mm
- DRIVETRAINrear derailleurShimano Deore RD-M6100, 12-Speedfront derailleurN/AshifterShimano Deore SL-M6100, 12-Speedcrank170mm (S/M) / 175mm (L/XL) Shimano MT-510-1 Boost, 1x12-Speed, 32TchainringN/AcassetteSunrace MZ-800, 11-51T, 12-Speed*chainKMC X-12, 12-Speed
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeTektro HD-M735 Hydraulic disc brake, 4-Piston, 180mm Rotorrear brakeTektro HD-M735 Hydraulic disc brake, 2-Piston, 180mm RotorrotorN/A
- WHEELSfront hubNovatec D791SB-CL, Thru Axle 15x110mm 32h, Center Lockrear hubNovatec D462SB, 12x148mm, HG Freehub, 32h, Center LockrimEntity XL2 Disc 35-584 (27.5”) / 35-622 (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, 27.5x2.6" / 29x2.6", Tackle Compound, Tubeless Ready*. Schwalbe Hans Dampf, 27.5x2.6" / 29x2.6", Super Trail Casing, Speed Grip, Tubeless Ready*max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntity FluxseatpostKS RAGE-I Dropper, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mmgripsPolygon lock-onstemEntity Xpert, Alloy 35mmpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionThe Polygon Siskiu D5 combines a lightweight, premium-quality aluminium frame with reliable Shimano and Suntour parts to provide a value-for-money package with everything you need to ride more for less.
- FRAMESETframeALX XC Trail 6061 Aluminium Frame, One Piece Linkage Suspension Platform 120mm Travel, Dropper Post And Rear Derailleur Routing, Direct Post-Mount Disc Brake, 141mm BOOST QR , 73mm Threaded BBheadsetN/A
- SUSPENSIONforkSR Suntour XCM HLO, 120mm Travel, Preload Adjuster, Hydraulic LockoutshockSR Suntour Raidon- LO AIR, E2E: 190X51mm, Hardware: M8x22mm
- DRIVETRAINrear derailleurShimano Alivio RD-M3100 - Direct Mountfront derailleurShimano Alivio FD-M3120-EshifterShimano Alivio SL-M3100 - 18spcrankShimano Altus FC-MT2102 36x24T Boost, 170mmchainringN/AcassetteShimano CS-HG200 9-Speed, 11-36TchainKMC X9
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 180mm Centreline Rotorrear brakeShimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 160mm Centreline RotorrotorN/A
- WHEELSfront hubEntity Alloy, 32H, Center Lock QRx100mmrear hubEntity Alloy, 32H, Center Lock, QRx141mmrimEntity X15, Alloy Double Wall, 24mm Inner, 32H, Tubeless Tape InstalledtyreMTB Performance Tyre, 27.5x2.25”max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntity Void SaddleseatpostEntity, Alloy, 30.9x350mmhandlebarEntity Sport Alloy, 31.8mm Clamp, 780mm Width, 12mm Rise, 6° UpgripsN/AstemEntity Sport Alloy, 45mm LengthpedalsN/A
- WEIGHTbike weight37lbs (Size L)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Siskiu T8$1,999.99
- DescriptionThe Polygon Siskiu T8 is the ultimate all-mountain shredder, boasting 135/140mm of travel, a playful trail geometry, and a capable Fox Float DPS/34 Rhythm suspension combo. Shimano's SLX 12-speed drivetrain and 4-piston brakes deliver reliable performance for conquering any trail.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkFox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost AxleshockFox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
- DRIVETRAINrear derailleurShimano SLX RD-M7100, 12-Speedfront derailleurN/AshifterShimano SLX SL-M7100, 12-SpeedcrankShimano FC-MT-510-1chainring32TcassetteSunrace CSMZ-800, 11-51T, 12-SpeedchainKMC X-12
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rear brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rotorN/A
- WHEELSfront hubNovatec D791SB, 15X110mmrear hubNovatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock*rimEntity XL2 Disc (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 29x2.6", Tubeless Readymax tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntityseatpostKS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mm wide, 35mm DiametergripsPolygon Lock OnstemEntity Xpert, Alloy, 35mm length, 35mm Clamping DiameterpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weight33.5 lbs (Size M 29)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Siskiu T8$1,999.99
- DescriptionThe Polygon Siskiu T8 is the ultimate all-mountain shredder, boasting 135/140mm of travel, a playful trail geometry, and a capable Fox Float DPS/34 Rhythm suspension combo. Shimano's SLX 12-speed drivetrain and 4-piston brakes deliver reliable performance for conquering any trail.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkFox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost AxleshockFox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
- DRIVETRAINrear derailleurShimano SLX RD-M7100, 12-Speedfront derailleurN/AshifterShimano SLX SL-M7100, 12-SpeedcrankShimano FC-MT-510-1chainring32TcassetteSunrace CSMZ-800, 11-51T, 12-SpeedchainKMC X-12
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rear brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rotorN/A
- WHEELSfront hubNovatec D791SB, 15X110mmrear hubNovatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock*rimEntity XL2 Disc (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 29x2.6", Tubeless Readymax tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntityseatpostKS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mm wide, 35mm DiametergripsPolygon Lock OnstemEntity Xpert, Alloy, 35mm length, 35mm Clamping DiameterpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weight33.5 lbs (Size M 29)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Xtrada 24$749.99Shop Now
- DescriptionThere’s nothing better than getting outdoors and experiencing life with your little bestie. This is why we created the perfect kid’s performance mountain bike with a good spread of features like premium components, plush air-spring suspension, and hydraulic disc brakes all paired with an ultralight aluminium frame.
- FRAMESETframeALX 6061 Aluminum Frame, Smooth Welding Technology, Internal Cable Routing, Dropper Post CompatibleheadsetZero Stack w/ Caged Bearing, ZS 44/28.6 | ZS 56/30
- SUSPENSIONforkSuntour XCR AIR, 80mm Travel, Lockout Adjuster, Straight Steerer, QR AxleshockN/A
- DRIVETRAINrear derailleurMicroshift RD-M6205GM 10-Speedfront derailleurN/AshifterMicroshift SL-M9505 10-Speed TriggercrankProwheel charm 30T, Crank arm: 140mmchainringN/AcassetteSunrace CSMS3 10-SPEED 11-42TchainKMC X10 10-Speed
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeN/Arear brakeN/ArotorClarks 160mm 6B
- WHEELSfront hubFormula DC-20 QRx100mm 32H 6Brear hubFormula DC-1422 QRx135mm 32H 6BrimDouble-wall, 30mm internal width *tyreVee Tire Crown Gem 24x2.25", MPC Compound, Wire bead *max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleBlack, Seel ø7mmseatpostEntity Expert, 27.2x350mmhandlebarEntity Expert, W: 640mm, BB: 31.8mm, R/D: 20mm, B: 6 degreegripsN/AstemEntity Expert, EXT: 45mm, BB: 31.8mm, R/D: 3 degreepedalsN/A
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Voltage YZ 0.1$799.99Shop Now
- DescriptionBuilt for dirt jumpers and pros with a 6061 alloy frame, adjustable chain stays, and a tapered headtube for excellent maneuverability. Featuring a 100mm X-Fusion Slant DJ fork, singlespeed drivetrain, Tektro HDM275 disc brakes, and Kenda K-RAD tires, it’s perfect for pump tracks, dirt jumps, and street shredding.
- FRAMESETframeVoltage YZ DJ 6061 Alloy Hydroformed tubing Disc Dropout / Horizontal for 135x10mm SingleSpeedheadsetSyncros OE Press Fit E2 / Tapered 1.5"-1 1/8" OD 50/62mm / ID 44/56mm
- SUSPENSIONforkX-Fusion Slant DJ 100mm travel / Air / Lo Comp / ReboundshockN/A
- DRIVETRAINrear derailleurN/Afront derailleurN/AshifterN/AcrankSCOTT Cr-Mo 3-piece Cranks 170mm / 25T Alloy BMX Sprocketchainring25T Alloy BMX SprocketcassetteSprocket / 12TchainKMC Z510
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeTektro HDM275 Hydraulic Discrear brakeTektro HDM275 Hydraulic DiscrotorTektro / 6 Bolt / 160mm
- WHEELSfront hubFormula DC-51 / 15x100mm / Thru Axlerear hubFormula DC42-N w/tracknut / Single SpeedrimSyncros MD25 Disc / 32HtyreKenda K905 K-RAD / 30TPI / Wire / 26x2.3"max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleSyncros DJ1.5 / PivotalseatpostSyncros DJ1.5 / Pivotal / 31.6mmhandlebarSyncros Hixon 2.0 Rise 31.8mm / 800mm / 20mm RisegripsSyncros Pro DH Lock-on GripsstemSyncros XM1.5 31.8mm / 40mm / 0°pedalsWellgo B107.N Flat
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Siskiu T7$1,699.99Shop Now
- DescriptionThe Polygon Siskiu T7 is a versatile 140mm-travel trail bike built for all-mountain adventures. With a lightweight alloy frame, RockShox suspension, Shimano Deore 1x12 drivetrain, dropper post and powerful 4-piston brakes, it's ready to tackle any singletrack with confidence and control.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (27.5"/29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkRockShox Recon Silver-RL, Solo Air, Rebound, Compression To Lock, Tapered, 150/140mm Travel (27.5"/29"), Maxle Stealth Axle 15x110mm BoostshockRockshox Deluxe Select Plus, Debon Air, Rebound, 2-Position Compression, Custom Tune, E2E: 210x55mm, Hardware: M8x25mm
- DRIVETRAINrear derailleurShimano Deore RD-M6100, 12-Speedfront derailleurN/AshifterShimano Deore SL-M6100, 12-Speedcrank170mm (S/M) / 175mm (L/XL) Shimano MT-510-1 Boost, 1x12-Speed, 32TchainringN/AcassetteSunrace MZ-800, 11-51T, 12-Speed*chainKMC X-12, 12-Speed
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeTektro HD-M735 Hydraulic disc brake, 4-Piston, 180mm Rotorrear brakeTektro HD-M735 Hydraulic disc brake, 2-Piston, 180mm RotorrotorN/A
- WHEELSfront hubNovatec D791SB-CL, Thru Axle 15x110mm 32h, Center Lockrear hubNovatec D462SB, 12x148mm, HG Freehub, 32h, Center LockrimEntity XL2 Disc 35-584 (27.5”) / 35-622 (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, 27.5x2.6" / 29x2.6", Tackle Compound, Tubeless Ready*. Schwalbe Hans Dampf, 27.5x2.6" / 29x2.6", Super Trail Casing, Speed Grip, Tubeless Ready*max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntity FluxseatpostKS RAGE-I Dropper, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mmgripsPolygon lock-onstemEntity Xpert, Alloy 35mmpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Siskiu D5$999.99Shop Now
- DescriptionThe Polygon Siskiu D5 combines a lightweight, premium-quality aluminium frame with reliable Shimano and Suntour parts to provide a value-for-money package with everything you need to ride more for less.
- FRAMESETframeALX XC Trail 6061 Aluminium Frame, One Piece Linkage Suspension Platform 120mm Travel, Dropper Post And Rear Derailleur Routing, Direct Post-Mount Disc Brake, 141mm BOOST QR , 73mm Threaded BBheadsetN/A
- SUSPENSIONforkSR Suntour XCM HLO, 120mm Travel, Preload Adjuster, Hydraulic LockoutshockSR Suntour Raidon- LO AIR, E2E: 190X51mm, Hardware: M8x22mm
- DRIVETRAINrear derailleurShimano Alivio RD-M3100 - Direct Mountfront derailleurShimano Alivio FD-M3120-EshifterShimano Alivio SL-M3100 - 18spcrankShimano Altus FC-MT2102 36x24T Boost, 170mmchainringN/AcassetteShimano CS-HG200 9-Speed, 11-36TchainKMC X9
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 180mm Centreline Rotorrear brakeShimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 160mm Centreline RotorrotorN/A
- WHEELSfront hubEntity Alloy, 32H, Center Lock QRx100mmrear hubEntity Alloy, 32H, Center Lock, QRx141mmrimEntity X15, Alloy Double Wall, 24mm Inner, 32H, Tubeless Tape InstalledtyreMTB Performance Tyre, 27.5x2.25”max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntity Void SaddleseatpostEntity, Alloy, 30.9x350mmhandlebarEntity Sport Alloy, 31.8mm Clamp, 780mm Width, 12mm Rise, 6° UpgripsN/AstemEntity Sport Alloy, 45mm LengthpedalsN/A
- WEIGHTbike weight37lbs (Size L)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

Polygon Siskiu T8 - Mountain Bike
Short Description
Shipping
Compare this bike

- DescriptionThe Polygon Siskiu T8 is the ultimate all-mountain shredder, boasting 135/140mm of travel, a playful trail geometry, and a capable Fox Float DPS/34 Rhythm suspension combo. Shimano's SLX 12-speed drivetrain and 4-piston brakes deliver reliable performance for conquering any trail.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkFox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost AxleshockFox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
- DRIVETRAINrear derailleurShimano SLX RD-M7100, 12-Speedfront derailleurN/AshifterShimano SLX SL-M7100, 12-SpeedcrankShimano FC-MT-510-1chainring32TcassetteSunrace CSMZ-800, 11-51T, 12-SpeedchainKMC X-12
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rear brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rotorN/A
- WHEELSfront hubNovatec D791SB, 15X110mmrear hubNovatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock*rimEntity XL2 Disc (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 29x2.6", Tubeless Readymax tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntityseatpostKS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mm wide, 35mm DiametergripsPolygon Lock OnstemEntity Xpert, Alloy, 35mm length, 35mm Clamping DiameterpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weight33.5 lbs (Size M 29)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionThe Polygon Siskiu T8 is the ultimate all-mountain shredder, boasting 135/140mm of travel, a playful trail geometry, and a capable Fox Float DPS/34 Rhythm suspension combo. Shimano's SLX 12-speed drivetrain and 4-piston brakes deliver reliable performance for conquering any trail.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkFox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost AxleshockFox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
- DRIVETRAINrear derailleurShimano SLX RD-M7100, 12-Speedfront derailleurN/AshifterShimano SLX SL-M7100, 12-SpeedcrankShimano FC-MT-510-1chainring32TcassetteSunrace CSMZ-800, 11-51T, 12-SpeedchainKMC X-12
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rear brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rotorN/A
- WHEELSfront hubNovatec D791SB, 15X110mmrear hubNovatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock*rimEntity XL2 Disc (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 29x2.6", Tubeless Readymax tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntityseatpostKS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mm wide, 35mm DiametergripsPolygon Lock OnstemEntity Xpert, Alloy, 35mm length, 35mm Clamping DiameterpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weight33.5 lbs (Size M 29)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionThere’s nothing better than getting outdoors and experiencing life with your little bestie. This is why we created the perfect kid’s performance mountain bike with a good spread of features like premium components, plush air-spring suspension, and hydraulic disc brakes all paired with an ultralight aluminium frame.
- FRAMESETframeALX 6061 Aluminum Frame, Smooth Welding Technology, Internal Cable Routing, Dropper Post CompatibleheadsetZero Stack w/ Caged Bearing, ZS 44/28.6 | ZS 56/30
- SUSPENSIONforkSuntour XCR AIR, 80mm Travel, Lockout Adjuster, Straight Steerer, QR AxleshockN/A
- DRIVETRAINrear derailleurMicroshift RD-M6205GM 10-Speedfront derailleurN/AshifterMicroshift SL-M9505 10-Speed TriggercrankProwheel charm 30T, Crank arm: 140mmchainringN/AcassetteSunrace CSMS3 10-SPEED 11-42TchainKMC X10 10-Speed
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeN/Arear brakeN/ArotorClarks 160mm 6B
- WHEELSfront hubFormula DC-20 QRx100mm 32H 6Brear hubFormula DC-1422 QRx135mm 32H 6BrimDouble-wall, 30mm internal width *tyreVee Tire Crown Gem 24x2.25", MPC Compound, Wire bead *max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleBlack, Seel ø7mmseatpostEntity Expert, 27.2x350mmhandlebarEntity Expert, W: 640mm, BB: 31.8mm, R/D: 20mm, B: 6 degreegripsN/AstemEntity Expert, EXT: 45mm, BB: 31.8mm, R/D: 3 degreepedalsN/A
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionBuilt for dirt jumpers and pros with a 6061 alloy frame, adjustable chain stays, and a tapered headtube for excellent maneuverability. Featuring a 100mm X-Fusion Slant DJ fork, singlespeed drivetrain, Tektro HDM275 disc brakes, and Kenda K-RAD tires, it’s perfect for pump tracks, dirt jumps, and street shredding.
- FRAMESETframeVoltage YZ DJ 6061 Alloy Hydroformed tubing Disc Dropout / Horizontal for 135x10mm SingleSpeedheadsetSyncros OE Press Fit E2 / Tapered 1.5"-1 1/8" OD 50/62mm / ID 44/56mm
- SUSPENSIONforkX-Fusion Slant DJ 100mm travel / Air / Lo Comp / ReboundshockN/A
- DRIVETRAINrear derailleurN/Afront derailleurN/AshifterN/AcrankSCOTT Cr-Mo 3-piece Cranks 170mm / 25T Alloy BMX Sprocketchainring25T Alloy BMX SprocketcassetteSprocket / 12TchainKMC Z510
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeTektro HDM275 Hydraulic Discrear brakeTektro HDM275 Hydraulic DiscrotorTektro / 6 Bolt / 160mm
- WHEELSfront hubFormula DC-51 / 15x100mm / Thru Axlerear hubFormula DC42-N w/tracknut / Single SpeedrimSyncros MD25 Disc / 32HtyreKenda K905 K-RAD / 30TPI / Wire / 26x2.3"max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleSyncros DJ1.5 / PivotalseatpostSyncros DJ1.5 / Pivotal / 31.6mmhandlebarSyncros Hixon 2.0 Rise 31.8mm / 800mm / 20mm RisegripsSyncros Pro DH Lock-on GripsstemSyncros XM1.5 31.8mm / 40mm / 0°pedalsWellgo B107.N Flat
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionThe Polygon Siskiu T7 is a versatile 140mm-travel trail bike built for all-mountain adventures. With a lightweight alloy frame, RockShox suspension, Shimano Deore 1x12 drivetrain, dropper post and powerful 4-piston brakes, it's ready to tackle any singletrack with confidence and control.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (27.5"/29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkRockShox Recon Silver-RL, Solo Air, Rebound, Compression To Lock, Tapered, 150/140mm Travel (27.5"/29"), Maxle Stealth Axle 15x110mm BoostshockRockshox Deluxe Select Plus, Debon Air, Rebound, 2-Position Compression, Custom Tune, E2E: 210x55mm, Hardware: M8x25mm
- DRIVETRAINrear derailleurShimano Deore RD-M6100, 12-Speedfront derailleurN/AshifterShimano Deore SL-M6100, 12-Speedcrank170mm (S/M) / 175mm (L/XL) Shimano MT-510-1 Boost, 1x12-Speed, 32TchainringN/AcassetteSunrace MZ-800, 11-51T, 12-Speed*chainKMC X-12, 12-Speed
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeTektro HD-M735 Hydraulic disc brake, 4-Piston, 180mm Rotorrear brakeTektro HD-M735 Hydraulic disc brake, 2-Piston, 180mm RotorrotorN/A
- WHEELSfront hubNovatec D791SB-CL, Thru Axle 15x110mm 32h, Center Lockrear hubNovatec D462SB, 12x148mm, HG Freehub, 32h, Center LockrimEntity XL2 Disc 35-584 (27.5”) / 35-622 (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, 27.5x2.6" / 29x2.6", Tackle Compound, Tubeless Ready*. Schwalbe Hans Dampf, 27.5x2.6" / 29x2.6", Super Trail Casing, Speed Grip, Tubeless Ready*max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntity FluxseatpostKS RAGE-I Dropper, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mmgripsPolygon lock-onstemEntity Xpert, Alloy 35mmpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A

- DescriptionThe Polygon Siskiu D5 combines a lightweight, premium-quality aluminium frame with reliable Shimano and Suntour parts to provide a value-for-money package with everything you need to ride more for less.
- FRAMESETframeALX XC Trail 6061 Aluminium Frame, One Piece Linkage Suspension Platform 120mm Travel, Dropper Post And Rear Derailleur Routing, Direct Post-Mount Disc Brake, 141mm BOOST QR , 73mm Threaded BBheadsetN/A
- SUSPENSIONforkSR Suntour XCM HLO, 120mm Travel, Preload Adjuster, Hydraulic LockoutshockSR Suntour Raidon- LO AIR, E2E: 190X51mm, Hardware: M8x22mm
- DRIVETRAINrear derailleurShimano Alivio RD-M3100 - Direct Mountfront derailleurShimano Alivio FD-M3120-EshifterShimano Alivio SL-M3100 - 18spcrankShimano Altus FC-MT2102 36x24T Boost, 170mmchainringN/AcassetteShimano CS-HG200 9-Speed, 11-36TchainKMC X9
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 180mm Centreline Rotorrear brakeShimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 160mm Centreline RotorrotorN/A
- WHEELSfront hubEntity Alloy, 32H, Center Lock QRx100mmrear hubEntity Alloy, 32H, Center Lock, QRx141mmrimEntity X15, Alloy Double Wall, 24mm Inner, 32H, Tubeless Tape InstalledtyreMTB Performance Tyre, 27.5x2.25”max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntity Void SaddleseatpostEntity, Alloy, 30.9x350mmhandlebarEntity Sport Alloy, 31.8mm Clamp, 780mm Width, 12mm Rise, 6° UpgripsN/AstemEntity Sport Alloy, 45mm LengthpedalsN/A
- WEIGHTbike weight37lbs (Size L)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Siskiu T8$1,999.99
- DescriptionThe Polygon Siskiu T8 is the ultimate all-mountain shredder, boasting 135/140mm of travel, a playful trail geometry, and a capable Fox Float DPS/34 Rhythm suspension combo. Shimano's SLX 12-speed drivetrain and 4-piston brakes deliver reliable performance for conquering any trail.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkFox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost AxleshockFox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
- DRIVETRAINrear derailleurShimano SLX RD-M7100, 12-Speedfront derailleurN/AshifterShimano SLX SL-M7100, 12-SpeedcrankShimano FC-MT-510-1chainring32TcassetteSunrace CSMZ-800, 11-51T, 12-SpeedchainKMC X-12
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rear brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rotorN/A
- WHEELSfront hubNovatec D791SB, 15X110mmrear hubNovatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock*rimEntity XL2 Disc (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 29x2.6", Tubeless Readymax tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntityseatpostKS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mm wide, 35mm DiametergripsPolygon Lock OnstemEntity Xpert, Alloy, 35mm length, 35mm Clamping DiameterpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weight33.5 lbs (Size M 29)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Siskiu T8$1,999.99
- DescriptionThe Polygon Siskiu T8 is the ultimate all-mountain shredder, boasting 135/140mm of travel, a playful trail geometry, and a capable Fox Float DPS/34 Rhythm suspension combo. Shimano's SLX 12-speed drivetrain and 4-piston brakes deliver reliable performance for conquering any trail.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkFox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost AxleshockFox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
- DRIVETRAINrear derailleurShimano SLX RD-M7100, 12-Speedfront derailleurN/AshifterShimano SLX SL-M7100, 12-SpeedcrankShimano FC-MT-510-1chainring32TcassetteSunrace CSMZ-800, 11-51T, 12-SpeedchainKMC X-12
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rear brakeShimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor*rotorN/A
- WHEELSfront hubNovatec D791SB, 15X110mmrear hubNovatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock*rimEntity XL2 Disc (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 29x2.6", Tubeless Readymax tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntityseatpostKS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mm wide, 35mm DiametergripsPolygon Lock OnstemEntity Xpert, Alloy, 35mm length, 35mm Clamping DiameterpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weight33.5 lbs (Size M 29)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Xtrada 24$749.99Shop Now
- DescriptionThere’s nothing better than getting outdoors and experiencing life with your little bestie. This is why we created the perfect kid’s performance mountain bike with a good spread of features like premium components, plush air-spring suspension, and hydraulic disc brakes all paired with an ultralight aluminium frame.
- FRAMESETframeALX 6061 Aluminum Frame, Smooth Welding Technology, Internal Cable Routing, Dropper Post CompatibleheadsetZero Stack w/ Caged Bearing, ZS 44/28.6 | ZS 56/30
- SUSPENSIONforkSuntour XCR AIR, 80mm Travel, Lockout Adjuster, Straight Steerer, QR AxleshockN/A
- DRIVETRAINrear derailleurMicroshift RD-M6205GM 10-Speedfront derailleurN/AshifterMicroshift SL-M9505 10-Speed TriggercrankProwheel charm 30T, Crank arm: 140mmchainringN/AcassetteSunrace CSMS3 10-SPEED 11-42TchainKMC X10 10-Speed
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeN/Arear brakeN/ArotorClarks 160mm 6B
- WHEELSfront hubFormula DC-20 QRx100mm 32H 6Brear hubFormula DC-1422 QRx135mm 32H 6BrimDouble-wall, 30mm internal width *tyreVee Tire Crown Gem 24x2.25", MPC Compound, Wire bead *max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleBlack, Seel ø7mmseatpostEntity Expert, 27.2x350mmhandlebarEntity Expert, W: 640mm, BB: 31.8mm, R/D: 20mm, B: 6 degreegripsN/AstemEntity Expert, EXT: 45mm, BB: 31.8mm, R/D: 3 degreepedalsN/A
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Voltage YZ 0.1$799.99Shop Now
- DescriptionBuilt for dirt jumpers and pros with a 6061 alloy frame, adjustable chain stays, and a tapered headtube for excellent maneuverability. Featuring a 100mm X-Fusion Slant DJ fork, singlespeed drivetrain, Tektro HDM275 disc brakes, and Kenda K-RAD tires, it’s perfect for pump tracks, dirt jumps, and street shredding.
- FRAMESETframeVoltage YZ DJ 6061 Alloy Hydroformed tubing Disc Dropout / Horizontal for 135x10mm SingleSpeedheadsetSyncros OE Press Fit E2 / Tapered 1.5"-1 1/8" OD 50/62mm / ID 44/56mm
- SUSPENSIONforkX-Fusion Slant DJ 100mm travel / Air / Lo Comp / ReboundshockN/A
- DRIVETRAINrear derailleurN/Afront derailleurN/AshifterN/AcrankSCOTT Cr-Mo 3-piece Cranks 170mm / 25T Alloy BMX Sprocketchainring25T Alloy BMX SprocketcassetteSprocket / 12TchainKMC Z510
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeTektro HDM275 Hydraulic Discrear brakeTektro HDM275 Hydraulic DiscrotorTektro / 6 Bolt / 160mm
- WHEELSfront hubFormula DC-51 / 15x100mm / Thru Axlerear hubFormula DC42-N w/tracknut / Single SpeedrimSyncros MD25 Disc / 32HtyreKenda K905 K-RAD / 30TPI / Wire / 26x2.3"max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleSyncros DJ1.5 / PivotalseatpostSyncros DJ1.5 / Pivotal / 31.6mmhandlebarSyncros Hixon 2.0 Rise 31.8mm / 800mm / 20mm RisegripsSyncros Pro DH Lock-on GripsstemSyncros XM1.5 31.8mm / 40mm / 0°pedalsWellgo B107.N Flat
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Siskiu T7$1,699.99Shop Now
- DescriptionThe Polygon Siskiu T7 is a versatile 140mm-travel trail bike built for all-mountain adventures. With a lightweight alloy frame, RockShox suspension, Shimano Deore 1x12 drivetrain, dropper post and powerful 4-piston brakes, it's ready to tackle any singletrack with confidence and control.
- FRAMESETframeALX Trail 6061 Aluminium Frame, One Piece Unibody Pivot Bridge 140/135mm Travel (27.5"/29"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, Threaded BB, ISCG 05 TabsheadsetN/A
- SUSPENSIONforkRockShox Recon Silver-RL, Solo Air, Rebound, Compression To Lock, Tapered, 150/140mm Travel (27.5"/29"), Maxle Stealth Axle 15x110mm BoostshockRockshox Deluxe Select Plus, Debon Air, Rebound, 2-Position Compression, Custom Tune, E2E: 210x55mm, Hardware: M8x25mm
- DRIVETRAINrear derailleurShimano Deore RD-M6100, 12-Speedfront derailleurN/AshifterShimano Deore SL-M6100, 12-Speedcrank170mm (S/M) / 175mm (L/XL) Shimano MT-510-1 Boost, 1x12-Speed, 32TchainringN/AcassetteSunrace MZ-800, 11-51T, 12-Speed*chainKMC X-12, 12-Speed
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeTektro HD-M735 Hydraulic disc brake, 4-Piston, 180mm Rotorrear brakeTektro HD-M735 Hydraulic disc brake, 2-Piston, 180mm RotorrotorN/A
- WHEELSfront hubNovatec D791SB-CL, Thru Axle 15x110mm 32h, Center Lockrear hubNovatec D462SB, 12x148mm, HG Freehub, 32h, Center LockrimEntity XL2 Disc 35-584 (27.5”) / 35-622 (29”), 35mm Inner, Tubeless ReadytyreVeeTire Flow Snap, 27.5x2.6" / 29x2.6", Tackle Compound, Tubeless Ready*. Schwalbe Hans Dampf, 27.5x2.6" / 29x2.6", Super Trail Casing, Speed Grip, Tubeless Ready*max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntity FluxseatpostKS RAGE-I Dropper, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat ClamphandlebarEntity Xpert, Alloy, 780mmgripsPolygon lock-onstemEntity Xpert, Alloy 35mmpedalsAlloy Flat Pedal w/Replaceable Pin and Reflector
- WEIGHTbike weightN/Abattery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A
- Siskiu D5$999.99Shop Now
- DescriptionThe Polygon Siskiu D5 combines a lightweight, premium-quality aluminium frame with reliable Shimano and Suntour parts to provide a value-for-money package with everything you need to ride more for less.
- FRAMESETframeALX XC Trail 6061 Aluminium Frame, One Piece Linkage Suspension Platform 120mm Travel, Dropper Post And Rear Derailleur Routing, Direct Post-Mount Disc Brake, 141mm BOOST QR , 73mm Threaded BBheadsetN/A
- SUSPENSIONforkSR Suntour XCM HLO, 120mm Travel, Preload Adjuster, Hydraulic LockoutshockSR Suntour Raidon- LO AIR, E2E: 190X51mm, Hardware: M8x22mm
- DRIVETRAINrear derailleurShimano Alivio RD-M3100 - Direct Mountfront derailleurShimano Alivio FD-M3120-EshifterShimano Alivio SL-M3100 - 18spcrankShimano Altus FC-MT2102 36x24T Boost, 170mmchainringN/AcassetteShimano CS-HG200 9-Speed, 11-36TchainKMC X9
- E-SYSTEMbatteryN/AcomputerN/AmotorN/AdisplayN/ArangeN/Acharging timeN/AchargerN/AswitchN/A
- BRAKESfront brakeShimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 180mm Centreline Rotorrear brakeShimano BR-M201, 2-Piston Caliper, Hydraulic Disc Brake, 160mm Centreline RotorrotorN/A
- WHEELSfront hubEntity Alloy, 32H, Center Lock QRx100mmrear hubEntity Alloy, 32H, Center Lock, QRx141mmrimEntity X15, Alloy Double Wall, 24mm Inner, 32H, Tubeless Tape InstalledtyreMTB Performance Tyre, 27.5x2.25”max tyre sizeN/Ainner tubeN/A
- CONTACT POINTSsaddleEntity Void SaddleseatpostEntity, Alloy, 30.9x350mmhandlebarEntity Sport Alloy, 31.8mm Clamp, 780mm Width, 12mm Rise, 6° UpgripsN/AstemEntity Sport Alloy, 45mm LengthpedalsN/A
- WEIGHTbike weight37lbs (Size L)battery weightN/A
- ACCESSORIESkick standN/Afender mudguardN/Aassembly toolsN/A








- Reviews
- Questions
Thank you for submitting a review!
Your input is very much appreciated. Share it with your friends so they can enjoy it too!
- bike
- suspension
- polygon
- shipping
- components
- trails
- Siskiu T8
- bikesonline
- customer service
- price point

Excellent bike
Anyone looking for capable full suspension bike for a great price - look no further.

Downhill Therapist
The geometry? Slacker than your cousin on unemployment, but in a way that actually helps.

T8
Awesome, a really response bike. Fast and nimble, does what I want it too!

Excellent mountain bike.
I was looking online for a new mountain bike a few months ago. That is when I came across this Polygon Siskiu T8. I didn't want to spend $5k for a new bike and this would be perfect for me. So, I bought the T8 and it has been a really great trail bike. The order process was so easy and bikesonline kept me updated. I ordered it and received it 5 days later on a rainy Thursday. I really like the Polygon bikes, and I think I will be sticking with them for the foreseeable future. And ordering them through bikesonline.