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Description

EMPOWER YOUR RIDE

The Siskiu T7e is a 150/140mm full-suspension all-mountain e-bike built for tackling anything from epic adventures to lap after lap of your local trails. Featuring modern geometry, a mullet-compatible design thanks to its built-in flip chip, and a powerful Shimano EP801 motor, enjoy the freedom to explore and conquer more challenging terrain.

SHIMANO EP801 / 630Wh

Experience the seamless integration of Shimano's powerful EP801 motor, smooth shifting SLX/Deore 1x12 drivetrain, and long-lasting 630Wh battery. Delivering 85nm of intuitive and efficient power you will have the confidence to tackle steep climbs and explore further.

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

“The best riding eMTB at this price point we’ve yet to ride.” - Loam Wolf

FLIP-CHIP

Switch between a full 29" wheel setup (LOW) or a mixed "mullet" setup with a 27.5" rear wheel (HIGH). This allows you to customize the bike's handling characteristics for different terrain and riding styles while maintaining optimal geometry.

TRAIL-READY SUSPENSION

The SR Suntour AION 35 fork and TRIAIR2 3CR shock deliver 150mm/140mm of plush, controlled travel to tame any trail. Fully air-adjustable and tunable with rebound, compression, and volume spacers.

SRAM CODE R 4-PISTON BRAKES

Powerful SRAM Code R 4-piston hydraulic disc brakes with 203mm rotors offer exceptional stopping power and modulation for confident control in all conditions.

SHMANO SLX/DEORE 1X12 DRIVETRAIN

Equipped with Shimano's SLX shifter and derailleur paired with a durable Deore steel cassette this 1x12-speed drivetrain offers the ideal blend of smooth shifting and long-lasting performance for the rigors of e-MTB riding.

DROPPER POST

Featuring 150mm of drop for smaller frames and 170mm for larger frames, a dropper post allows riders to quickly lower their saddle for improved maneuverability and control on descents.

Components

FRAMESET
FRAME
ALX Trail Frame, One Piece Linkage Suspension Platform 140mm Travel, Dropper Post And Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12mm Boost Thru-Axle, 73mm Threaded BB, ISCG 05 Tabs
SUSPENSION
FORK
SR Suntour AION 35 Boost RC-PCS, 150mm Travel, 110x15mm Boost Thru-Axle, 51mm offset
SHOCK
SR Suntour TRIAIR2 3CR, 210x55mm Open Eyelet, Air, 2-Position Adjustment
DRIVETRAIN
REAR DERAILLEUR
Shimano SLX RD-M7100-SGS, 12-Speed
SHIFTER
Shimano SLX SL-M7100-R, 12-Speed
CRANK
Shimano SM-CRE80-12-B, 52mm Chain Line, S-XL: 160mm
CHAINRING
34T
CASSETTE
Shimano Deore CS-M6100, 12-Speed, 10-51T
CHAIN
KMC E12S, 12-Speed
E SYSTEM
BATTERY
Shimano STEPS BT-EN806, Integrated, 630Wh Rated Capacity
MOTOR
Shimano STEPS DU-EP801, 85Nm Maximum Torque, 250W Continuous Rated Power
DISPLAY
Shimano STEPS SC-EN600 Display
RANGE
180/90/60km
CHARGING TIME
5 Hours to 100% / 3 Hours to 80%
CHARGER
Shimano Charger EC-E6002
SWITCH
Shimano STEPS SW-EN600-L, Left Hand Switch for Assist Mode Change
BRAKES
FRONT BRAKE
SRAM Code-R, 4-Piston Caliper, Hydraulic Disc Brake, 203mm Centreline Rotor
REAR BRAKE
SRAM Code-R, 4-Piston Caliper, Hydraulic Disc Brake, 203mm Centreline Rotor
WHEELS
FRONT HUB
Shimano HB-MT400-B, 15mm Thru-Axle, 110mm spacing
REAR HUB
Shimano FH-MT410-B, Microspline Hub, 12mm Thru-Axle, 148mm spacing
RIM
Entity XL3, Alloy Double Wall, 35mm Inner, 32H, Tubeless ready
TYRE
Schwalbe Hans Dampf EVO, 29x2.6”, Super Trail TLE Addix Speed Grip, Tubeless Ready
CONTACT POINTS
SADDLE
Entity Xtend
SEATPOST
TranzX JD-YSP23JL, 1x Remote, 30.9mm, 150mm (S-M), 170mm (L-XL)
HANDLEBAR
Entity Expert, 35mm Clamp, 780mm Width, 25mm Rise, 9° Bend
STEM
Entity Expert, 35mm Length
PEDALS
Alloy Flat Pedal w/ Replaceable Pin and Reflector
WEIGHT
BIKE WEIGHT
54lbs (Size L)
ACCESSORIES
FENDER MUDGUARD
Front Fender (SR Suntour)

Specs are subject to change based on availability.

Geometry

Flip Chip Setup
  S M L XL
Rider Height 5'2"–5'6" 5'6"–5'10" 5'10"–6'1" 6'1"–6'5"
(A) Seat tube length 390 400 430 450
(B) Seat tube angle 71.7 71.7 71.7 71.7
(C) Effective seat tube angle 77 77 77 77
(D) Head tube length 95 95 105 120
(E) Head tube angle 65 65 65 65
(F) Effective top tube 588 608 630 653
(G) BB Height 337 337 337 337
(H) BB offset 39 (drop) 39 (drop) 39 (drop) 39 (drop)
(I) Chainstay length 445 445 445 445
(J) Wheelbase 1205 1225 1249 1275
(K) Frame reach 445 465 485 505
(L) Frame stack 618 618 627 641
(M) Standover height 677 683 706 720
  S M L XL
(A) Seat tube length 390 400 430 450
(B) Seat tube angle 72.6 72.6 72.6 72.5
(C) Effective seat tube angle 77.9 77.9 77.9 77.8
(D) Head tube length 95 95 105 120
(E) Head tube angle 65.9 65.9 65.9 65.8
(F) Effective top tube 586 606 628 651
(G) BB Height 349 349 349 349
(H) BB offset 27 (drop) 27 (drop) 27 (drop) 27 (drop)
(I) Chainstay length 442 442 442 442
(J) Wheelbase 1203 1223 1247 1274
(K) Frame reach 454 474 494 514
(L) Frame stack 611 611 620 634
(M) Standover height 689 695 718 732

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.

Please follow the video playlist below to complete the setup of your new bike correctly.

Step 1

Unboxing Your 2024 Polygon Siskiu T7E

Step 2

Dial In Your Suspension Setup

Step 3

Dial In Your Bike Fit

Step 4

Dial In Your Tyre Pressures

Step 5

Pre-Ride Check

Customer Reviews
4.9 Based on 36 Reviews
5 ★
92% 
33
4 ★
3% 
1
3 ★
5% 
2
2 ★
0% 
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1 ★
0% 
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MS
05 Sep 2025
Mike S.
United States

Amazing bikes

Overall experience was great ! Ryan was very helpful and answered all my questions and concerns. The bike was received in only four days. I would highly recommend the purchase of this bike to anyone interested in a high quality mountain E bike

EM
02 Sep 2025
Edgar M.
United States

My new Polygon Siskiu T7e

My Sisqiu T7e is my third purchase from bikes Online. I previously bought a Polygon Xtrada 8 and a Strattos S8. I also have a Marin Riftzone1 that i bought used. The T7e has enabled me to bike further and higher. My first 100 miles on the trails with the T7e has been enjoyable. Helps me climb the hills without exceeding zone 2 cardio. Im 64...now I can keep up with my 14 yr old son's pace. It just take time to get used to the added weight when going downhill. Good buy...happy I got this bike!

BikesOnline US Polygon Siskiu T7E - E-Mountain Bike ReviewBikesOnline US Polygon Siskiu T7E - E-Mountain Bike Review
SK
01 Sep 2025
Stephen K.
United States

Polygon siskiu t7e

Shipping was great, packaging was great, bike is awesome..

RH
27 Aug 2025
Richard H.
United States

Great bike, very happy

43 miles down the 1st week. No complaints. Takes all the drops, flies in turbo mode. Only thing I added was a pouch for a tool,pump and spare tube. Really impressed, convinced 2 friends to buy the same bike, 1 of them will get there today!

BikesOnline US Polygon Siskiu T7E - E-Mountain Bike Review