Collosus T8 Carbon
OverviewAbout the Polygon Collosus T8 Carbon
The Polygon Collosus T8 Carbon is a mountain bike, built on a carbon frame, listed at $4,399.99 at BikesOnline. An off-road bike for trails, with grippy tyres and trail-ready geometry.
How it comparesThe Collosus T8 Carbon against similarly priced bikes
- At $4,399.99 it sits in the upper part of the range: 57% of the 223 mountain bikes we list cost less.
- Head angle: 64.5 degrees, about the same as similarly priced full-suspension mountain bikes (middle 64.5 degrees).
- Front travel: 160 mm, more than the middle of similarly priced full-suspension mountain bikes (150 mm).
- Rear travel: 140 mm, about the same as similarly priced full-suspension mountain bikes (middle 145 mm).
- Reach (size M): 465 mm, about the same as similarly priced full-suspension mountain bikes (middle 460 mm).
- Lowest gear ratio: 0.62, about the same as similarly priced full-suspension mountain bikes (middle 0.63).
- Gears at the back: 12-speed, about the same as similarly priced full-suspension mountain bikes (middle 12-speed).
Closest alternatives on price
same price · aluminium frame · 170 mm fork vs 160 mm
same price · aluminium frame · 130 mm fork vs 160 mm
$100 less · aluminium frame · 170 mm fork vs 160 mm
$100 less · aluminium frame · 140 mm fork vs 160 mm
Compare the Collosus T8 Carbon with the two closest side by side
Compared with the 32 similar mountain bikes on BikeFinder priced $3,100 to $5,950, using each bike's published specs and the price shown on its page.
SizingWhat size Collosus T8 Carbon 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 196 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
- Carbon
- Wheel size
- 29-inch
- Drivetrain
- SRAM GX Eagle 1x12
- Brakes
- Disc
- Frame sizes
- S, M, L, XL
- Price
- $4,399.99 at BikesOnline, was $5,999.99. In stock, checked 3 Nov 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
- 618 mm
- Reach
- 465 mm
- Stack/reach
- 1.33
- Head angle
- 64.5 deg
- Seat angle
- 77 deg
- Wheelbase
- 1219 mm
- Chainstay
- 430 mm
- BB drop
- 38 mm
- Standover
- 691 mm
GearingRatios
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
- Groupset
- SRAM GX Eagle
- Shifting
- Mechanical
- Drive
- 1x
- Speeds
- 12
- Crank
- SRAM GX Eagle, 165mm Length
- Chainrings
- 32
- Cassette
- SRAM GX Eagle XG-1275, 10-52T, 12-Speed
- Rear derailleur
- SRAM GX Eagle (GX-1-B2), 12-Speed
- Brakes
- Magura MT7, 4-Piston Hydraulic Disc, HC3 Lever
- Rotors
- 180mm
- Wheelset
- Polygon MT6, Alloy Double Wall, 30mm Internal Width, 32H, Tubeless Tape pre-Installed, Tubeless Ready
- Rim internal width
- 30 mm
- Stock tyre
- 29x2.4
- Tubeless
- Yes
- BB standard
- BSA threaded
- Seatpost
- Tranz-X JD-YSP39KL Dropper, 34.9mm Diameter, 150mm Travel (S, M) / 170mm Travel (L, XL), 0mm Offset
- Cockpit
- Race Face Aeffect R, Alloy, 40mm Length, 35mm Clamp, 0 deg Rise / Race Face Chester 35, Alloy, 780mm Width, 35mm Bore, 35mm Rise, 8 deg Bend
- Saddle
- Xtent, Cr-Mo 7mm Rails
- UDH
- Yes
SuspensionMTB detail
- Front travel
- 160 mm
- Rear travel
- 140 mm
- Fork
- RockShox Lyrik Select
- Shock
- RockShox Super Deluxe Select+
- Wheel config
- 29
- Dropper
- Tranz-X JD-YSP39KL Dropper
- Dropper travel
- 150 mm
- Discipline
- Trail
- Suspension
- full suspension
Bike DNAWhat the numbers say
- Steering
- A 64.5 deg head angle points to very slack, built for steep descending.
- Climbing
- Lowest ratio 0.62 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 (BikesOnline product page (specification list and geometry table)), verified 2026-11-03. This is a specification analysis, not a physical ride review.
Where to buyStockist
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