Details

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 and 135 mm (29") / 140 mm (27.5") of rear travel, both wheel sizes provide a nimble yet stable ride that’s comfortable and confidence-inspiring.

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.

INDUSTRY REVIEWS
"The bike is a solid value, looks so good and is more than capable to be ridden at a very high level.” - Loam Wolf




Specs
| frameset | |
|---|---|
| Frame | ALX Trail 6061 Aluminum Frame, One Piece Unibody Pivot Bridge, 135 mm travel (29") / 140 mm travel (27.5"), Dropper Post and Rear Derailleur Routing, Direct Post-Mount Disc Brake, 148x12 mm Boost Thru-Axle, Threaded BB, ISCG 05 Tabs |
| suspension | |
| Fork | Fox 34 Rhythm, Grip Damper, Rebound & Sweep Adjust, 140 mm travel (29") / 150 mm travel (27.5"), 110x15 mm Kabolt Boost Axle |
| Shock | Fox Float DPS Performance Series EVOL LV, 2-Position, 210x55mm |
| drivetrain | |
| Rear derailleur | Shimano SLX RD-M7100, 12-Speed |
| Shifter | Shimano SLX SL-M7100, 12-Speed |
| Crank | Shimano FC-MT-510-1 |
| Chainring | 32T |
| Cassette | Sunrace CSMZ-800, 11-51T, 12-Speed |
| Chain | KMC X-12 |
| brakes | |
| Front brake | Shimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor* |
| Rear brake | Shimano BR-MT420 4-Piston Caliper, 180mm Rotor* / Tektro HD-M745, 4-Piston Caliper, 180mm Rotor* |
| wheels | |
| Front hub | Novatec D791SB, 15X110mm |
| Rear hub | Novatec D442SB, 12x148mm, HG Freehub, 32h, Center Lock* |
| Rim | Entity XL2 Disc (27.5'/29”), 35mm Inner, Tubeless Ready |
| Tyre | VeeTire Flow Snap, Tackle Compound | Schwalbe Hans Dampf ADDIX Speed Grip, 27.5/29x2.6", Tubeless Ready |
| contact points | |
| Handlebar | Entity Xpert, Alloy, 780mm wide, 35mm Diameter |
| Grips | Polygon Lock On |
| Saddle | Entity |
| Seatpost | KS RAGE-I, Size S-M 150mm Travel, Size L-XL 170mm Travel, Zero Offset, 30.9mm Polygon Seat Clamp |
| Stem | Entity Xpert, Alloy, 35mm length, 35mm Clamping Diameter |
| Pedals | Alloy Flat Pedal w/Replaceable Pin and Reflector |
| weight | |
| Bike weight | 33.5 lbs (Size M 29) |
Geo
| Frame Size | S (27.5") | M (27.5") | M (29") | L (29") | XL (29") |
| Height (cm) | 5'1"-5'5" | 5'5"-5'9" | 5'5"-5'9" | 5'9"-6'1" | 6'1"-6'5" |
| (A) Frame stack | 593.5 | 607.1 | 607.6 | 621.2 | 634.9 |
| (B) Frame reach | 440 | 460 | 460 | 480 | 500 |
| (C) Head tube angle | 65° | 65° | 65.5° | 65.5° | 65.5° |
| (D) Head tube length | 105 | 120 | 90 | 105 | 120 |
| (E) Seat tube angle | 71° | 71° | 70.5° | 70.5° | 70.5° |
| Effective seat tube angle | 76.5° | 76.5° | 76.5° | 76.5° | 76.5° |
| (F) Seat tube length | 385 | 400 | 400 | 415 | 430 |
| (G) Effective top tube | 582.5 | 605.7 | 605.9 | 629.1 | 652.4 |
| (H) BB Height | 335 | 335 | 335 | 335 | 335 |
| (I) BB offset | 20 | 20 | 39 | 39 | 39 |
| (J) Chainstay length | 425 | 425 | 430 | 430 | 430 |
| (K) Wheelbase | 1172.8 | 1199.1 | 1193.5 | 1219.7 | 1245.9 |
| (L) Standover height | 666.6 | 672.5 | 676.6 | 686.2 | 695.9 |
| Front Travel | 150 | 150 | 140 | 140 | 140 |
| Rear Travel | 140 | 140 | 135 | 135 | 135 |
| Dropper Post Travel | 150 | 150 | 170 | 170 | 170 |
| Maximum Tyre Width | 2.6" | 2.6" | 2.6" | 2.6" | 2.6" |
| Maximum Chainring Size | 36T | 36T | 36T | 36T | 36T |
* All lengths in mm
Build
2024 Polygon Siskiu T8
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.
Unboxing Your Bike
Dial In Your Suspension Setup
Dial In Your Bike Fit
Dial In Your Tyre Pressures
Pre-Ride Check