Siskiu T6
OverviewAbout the Polygon Siskiu T6
The Polygon Siskiu T6 is a mountain bike, built on a aluminium frame, listed at $2,299.99. An off-road bike for trails, with grippy tyres and trail-ready geometry.
SizingWhat size Siskiu T6 do I need?
Enter your height to see the size Polygon recommends.
| Size | Rider height | In feet |
|---|---|---|
| S | 155 to 165 cm | 5 ft 1 in to 5 ft 5 in |
| M | 165 to 175 cm | 5 ft 5 in to 5 ft 9 in |
| L | 175 to 185 cm | 5 ft 9 in to 6 ft 1 in |
| XL | 185 to 195 cm | 6 ft 1 in to 6 ft 5 in |
Rider heights from Polygon's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
- Brand
- Polygon
- Model year
- 2026
- Category
- Mountain
- Frame
- Aluminium
- Brakes
- Disc
- Frame sizes
- S, M, L, XL
- Price
- $2,299.99, BikesOnline price, checked 14 Oct 2026
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
- Stack
- 609 mm
- Reach
- 465 mm
- Stack/reach
- 1.31
- Head angle
- 64.5 deg
- Seat angle
- 77 deg
- Wheelbase
- 1214 mm
- Chainstay
- 430 mm
- BB drop
- 39 mm
- Standover
- 705 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- Shimano CUES
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 10
- Crank
- SAMOX
- Chainrings
- 32
- Cassette
- Shimano CUES CS-LG300-10
- Rear derailleur
- Shimano CUES RD-U6000-GS
- Brakes
- Shimano hydraulic disc, MT200 lever
- Rotors
- 180/180
- Wheelset
- Polygon MT6
- Stock tyre
- 29x2.4
- Tubeless
- Yes
- Fork material
- RockShox Recon Silver RL
- BB standard
- BSA threaded
- Thru-axle
- 15mm front, 12mm rear Boost
- Seatpost
- X-Fusion Manic LC dropper, 150mm, 30.9mm
- Cockpit
- Polygon Expert bar 780mm, Expert stem 35mm
- Saddle
- Linc Xtent
- Mounts
- top tube accessory mount
- UDH
- Yes
SuspensionMTB detail
- Front travel
- 140 mm
- Rear travel
- 135 mm
- Fork
- RockShox Recon Silver RL
- Shock
- X-Fusion O2 Pro R
- Wheel config
- 29
- Dropper
- X-Fusion Manic LC
- Dropper travel
- 150 mm
- Discipline
- Trail
Bike DNAWhat the numbers say
- Steering
- A 64.5 deg head angle points to very slack, built for steep descending.
- Climbing
- Lowest ratio 0.67 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 + backfill 2026-09-27: 99spokes.com, bikesonline.com.au, polygonbikes.com), verified 2026-09-06. This is a specification analysis, not a physical ride review.
Where to buyStockist
BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked. This is an affiliate link. If you buy through it BikeFinder may earn a small commission, at no extra cost to you.
