Siskiu T8
OverviewAbout the Polygon Siskiu T8
The Polygon Siskiu T8 is a mountain bike, built on a aluminium frame, listed at $2,999.99. An off-road bike for trails, with grippy tyres and trail-ready geometry.
SpecificationsWhat we know
- Brand
- Polygon
- Category
- Mountain
- Frame
- Aluminium
- Brakes
- Disc
- Price
- $2,999.99 (RRP AUD (BikesOnline))
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize M (29 inch)
- Stack
- 607.6 mm
- Reach
- 460 mm
- Stack/reach
- 1.32
- Head angle
- 65.5 deg
- Seat angle
- 76.5 deg
- Wheelbase
- 1193.5 mm
- Chainstay
- 430 mm
- BB drop
- 39 mm
- Standover
- 676.6 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- Shimano SLX
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 12
- Crank
- Shimano MT-510-1, Boost, 32T
- Chainrings
- 1
- Cassette
- 12-Speed, 11-51T
- Rear derailleur
- Shimano SLX RD-M7100-SGS, Direct Attach
- Brakes
- Tektro HD-M745, 4-piston hydraulic disc
- Rotors
- 180mm, Shimano SM-RT54, Center-Lock
- Wheelset
- Entity XL2 Disc
- Stock tyre
- 29x2.60
- Tubeless
- Yes
- BB standard
- BSA Threaded
- Seatpost
- TranzX dropper, 150mm travel (S-M), zero offset, 30.9mm
- Cockpit
- Entity Xpert alloy bar, 780mm width, 20mm rise; Entity Xpert alloy stem, 35mm
- Saddle
- Entity Xtent
- Mounts
- top tube accessory mount
- UDH
- Yes
SuspensionMTB detail
- Front travel
- 140 mm
- Rear travel
- 135 mm
- Fork
- Fox 34 Rhythm
- Fork stanchions
- 34 mm
- Shock
- Fox Float DPS
- Wheel config
- 29
- Dropper
- TranzX
- Dropper travel
- 150 mm
- Discipline
- Trail
Bike DNAWhat the numbers say
- Steering
- A 65.5 deg head angle points to slack, trail and enduro handling.
- Climbing
- Lowest ratio 0.02 is a very low climbing gear for steep or loaded climbs.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (polygonbikes.com product page), verified 2026-09-04. This is a specification analysis, not a physical ride review.
Where to buyStockist
BikeFinder is an independent directory. We link to retailers; the price shown is last seen and set by the seller.
