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Description

THE FIRST MOUNTAIN BIKE

Designed for young riders aged 7-11 years old or between 125cm - 150cm tall. It's the ideal first mountain bike for those eager to explore beyond the pavement. This lightweight and easy-to-manage hardtail delivers a safe and fun ride. With plenty of spacers to adjust the stem and seatpost, it grows with your child, ensuring years of enjoyment.

READY FOR ADVENTURE

Tackle any terrain with the Premier XC 24's kid-tuned suspension fork, offering a smooth ride over bumps and roots. The reach-adjustable brake levers and intuitive trigger shifter with an optical gear display make it easy for little hands to control the bike, while the grippy tyres provide confidence-inspiring traction on any surface.

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.

INDUSTRY REVIEWS

"Whether your child simply loves the look of a suspension fork or if they are all about hitting small jumps and blasting over curbs, the Polygon Premier XC Disc is right up their alley." - Two Wheeling Tots

SUSPENSION FORK

The Suntour XCT-JR-DS fork with 50mm of travel and a custom-tuned, soft coil spring ensures a comfortable ride for young riders, absorbing bumps and vibrations on the trail.

DISC BRAKES

Tektro MD-M280 mechanical disc brakes deliver powerful and reliable stopping power in all weather conditions. The 4-finger levers with short reach are designed with kids in mind, offering easy reach and modulation for maximum control.

SHIMANO DRIVETRAIN

The Shimano Altus 8-speed drivetrain features an easy-to-use trigger shifter with an optical gear display, making it simple for young riders to find the right gear. No more confusing grip shifts!

KIDS SPECIFC FIT

Featuring a comfortable saddle and grips, along with a kid-sized handlebar and stem for easy control on the trails. The addition of short 140mm cranks makes pedalling much more natural for kids!

FRAME DETAILS

The lightweight aluminium frame makes the bike easy for kids to handle, both on and off the trail. A kickstand and water bottle mounts are included, and the replaceable derailleur hanger ensures quick repairs in case of a spill.

Components

FRAMESET
FRAME
AL6 6061 Aluminium, Kids Specific Geometry, 135mm Rear Hub, Replaceable Derailleur Hanger
SUSPENSION
FORK
Suntour M3010, 50mm Suspension Travel, Soft-Tuned Coil Spring
DRIVETRAIN
REAR DERAILLEUR
Shimano Altus, RD-M310-L, 8-Speed
SHIFTER
Shimano Altus SL-M315, 8-Speed Shifter
CRANK
ProWheel C10Y, 30T, 140mm
CASSETTE
Shimano CS-HG200, 8-Speed, 11-32T
CHAIN
KMC Z8, 8-Speed
BRAKES
FRONT BRAKE
Promax BL-367G Alloy 4-Finger Kids with Reach Adjust
REAR BRAKE
Promax BL-367G Alloy 4-Finger Kids with Reach Adjust
WHEELS
REAR HUB
Alloy nutted 3/8" 26 TPI, 135mm Spacing
RIM
Alloy Double Wall, CNC brake surface with wear indicator, 19mm Internal Width, 28H
TYRE
Kenda K1153 All-Terrain, 24x1.75"
CONTACT POINTS
HANDLEBAR
Alloy Riser, 30mm Rise
GRIPS
Slip-on Rubber, L:110mm R:72mm
SADDLE
Entity Saddle
SEATPOST
Alloy, 27.2mm
STEM
Alloy 4-bolt, 25.4mm Bar Bore
PEDALS
Kids Specific Nylon Pedal
ACCESSORIES
KICK STAND
Alloy Centre Mount

Geometry

Size 4'1" to 4'11"
(A) Stack 539
(B) Reach 255
(C) Head Tube Angle 70°
Seat Tube Angle Effective 73°
(F) Seat Tube Length 311
(G) Top Tube Effective 520
(H) Bottom Bracket Height 289
(I) Bottom Bracket Offset 40
(J) Chainstay 410
(K) Wheel Base 988
(L) Standover Height 602

Assembly

Your bike needs minor assembly before riding; use the tools and videos included.

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.

Step 1

Unboxing Your Bike

Step 2

Bike Fit Setup

Step 3

Tyre Pressure Setup

Step 4

Pre-Ride Check

Compare this bike

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$1,799.99
  • Description
    The 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.
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    ALX 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 Tabs
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    N/A
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    Fox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 150/140mm Travel (29"), 110x15mm Kabolt Boost Axle
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  • Description
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    shock
    Fox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm
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    rear derailleur
    Shimano SLX RD-M7100, 12-Speed
    front derailleur
    N/A
    shifter
    Shimano SLX SL-M7100, 12-Speed
    crank
    Shimano FC-MT-510-1
    chainring
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    cassette
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  • Description
    The Polygon Siskiu D24 is the perfect full-suspension mountain bike for young riders ready to conquer the trails. Upgraded for 2024 with hydraulic disc brakes, this bike also boasts a lightweight frame, adjustable air suspension, and reliable components - it's built for fun and progression.
  • FRAMESET
    frame
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    headset
    N/A
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    shock
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    rear derailleur
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    front derailleur
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    shifter
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    crank
    Prowheel C10Y-NW, 30T, 140mm
    chainring
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    Microshift Acolyte CS-H083, 8-speed, 12-42T
    chain
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    headset
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    shock
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    front derailleur
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  • Description
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    headset
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    shock
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    chainring
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    chain
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$499.99
  • Description
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    headset
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