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2025 Polygon

Collosus T6 Carbon

A 29″ carbon frame full suspension trail bike with upper mid-range components.
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Manufacturer Price

$2,999
FrameCarbon
SuspensionFull, 140 / 160mm
ForkMarzocchi Bomber Z1
ShockMarzocchi Bomber
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetDeore
BrakesShimano Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Collosus T6 Carbon
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

29 mph

Collosus T6 Carbon

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full COLLOSUS model range

View Comparison
Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews

Summary

The Polygon Collosus is praised for its modern enduro geometry, providing a planted and stable ride that excels in high-speed descents and corners. It offers impressive value for money with solid build kits and efficient suspension that delivers good traction and pedal performance, though it is often noted as heavy, which can hinder playfulness and climbing agility. While the bike requires careful setup to optimize its potential, it is a capable choice for rough, gravity-focused trails.

Pros
  • Modern enduro geometry

  • Good value for money

  • Efficient suspension performance

  • Planted and stable handling

  • Solid build kit

Cons
  • Heavy weight

  • Requires careful setup

  • Limited playfulness

  • Draggy tires

  • High maintenance due to multiple pivots

Key Quotes
It dived in and out of a snaking section of steep, supported corners in a solid, predictable manner and the dimensions felt good.
Bikerumor logoBikerumor
Indeed it’s a bloody good enduro bike for the money, and one that is perfectly at home riding the roughest and rowdiest gravity-fuelled descents.
Flow Mountain Bike logoFlow Mountain Bike
Polygon once again delivered an impressive bike for the money.
Loam Wolf logoLoam Wolf

Feedback?

View all reviews

99 Spokes
Polygon Collosus N7 Review

Nov 2023

The Polygon Collosus N7 is the cheapest way to purchase in new enduro mountain bike in 2023. But does that mean it's worth buying? Spoiler Alert: It's for the park rats 🐀

Highs
  • Extremely affordable

  • Relatively solid spec given the price

  • Great performing suspension (one you set it up correctly)

  • Well rounded geometry

Lows
  • Weight (41 lbs / 18.6 kg tested)

  • Weak brakes

  • Minimal dropper post insertion

Read Review

NSMB
Polygon Collosus T9 DI2 First Impressions Review

May 2026

Polygon's premier trail rig has great handling and comes in at $3k+ cheaper than rival offerings.

Read Review

Bikerumor
Polygon’s New Collosus T Might Be the Best Value in Mountain Biking

Oct 2025 · Jeremy Benson

The latest from Polygon Bikes is the Collosus T, an aggressive new trail bike model that’s surprisingly affordable.

Read Review

Pinkbike
Polygon Announces Collosus N: Carbon

Sep 2025 · Polygon Bikes

The new carbon front triangle saves 500 grams over the aluminum frame.

Read Review

Loam Wolf
Review: Polygon Collosus N8E

May 2024

If you’re working with a $5k budget and seek a capable and comfortable E-Enduro rig, then the Polygon Collosus N8E is a very solid offering.

Read Review

Flow Mountain Bike
2024 Polygon Collosus N7 Review | A big-hitting enduro bike with a bonkers price tag

Sep 2023

Selling for well under $4,000 AUD, the Polygon Collosus N7 is one of the cheapest enduro bikes going. But is it any good?

Highs
  • Incredible value for money

  • Smooth, traction-rich suspension

  • Impressive pedal efficiency

  • Great geometry

  • Solid build kit

Lows
  • Very heavy

  • Draggy tyres

  • Noisy

  • Limited seatpost insertion

  • Lots of pivots to maintain

Read Review

Top To Bottom MTB
2024 Polygon Collosus N9 - Build & Close Look!

Apr 2023

Today, we take a closer look at my brand NEW 2024 Polygon Collosus N9 enduro MTB. We go over all the components and all ...

Watch Review

Geometry
Specs
Build
Frame

ACX Carbon Trail Frame, 140 mm Rear Travel, IFS Compact Suspension System, Mixed-Wheel Compatibility, BSA Threaded 73mm Bottom Bracket Shell, UDH Compatible, Internal Cable Routing, ISCG05 Mount, Boost 12x148 mm Thru Axle, Disc Brake Post Mount 180 mm, Poly-Pocket Frame Storage, Flip Chip

BB StandardBSA, 73mm, Threaded

Hanger StandardUDH

Tire Clearance2.6"

Fork

Marzocchi Bomber Z1, 160mm Travel, 36mm Stanchions, Air Spring, GRIP Sweep Damper with Rebound & Compression Adjust, Tapered Steerer 1-1/8"–1.5", Boost 15x110mm QR Axle, Disc Brake Post Mount 180mm, Max Rotor 203mm

Travel160mm

Spring TypeAir

Shock

Marzocchi Bomber Air, 210x55mm Trunnion, EVOL Air Spring, Sweep Adjust Damper with Rebound & Compression Tuning, Hardware: Shaft M8x35mm / Body M8x15mm

Travel140mm

Bottom Bracket

BSA, 73mm, threaded

Headset

FSA NO.76, Alloy Top Cover, ZS 51/28.6 | ZS 59/40, Adjustable Headset Angle

Stem

Race Face Aeffect R, Alloy, 40mm Length, 35mm Clamp, 0° Rise

Handlebar

Race Face Chester 35, Alloy, 780mm Width, 35mm Bore, 35mm Rise, 8° Bend

Saddle

Xtent, Cr-Mo Ø7mm Rails

Seatpost

Tranz-X JD-YSP39KL Dropper, 34.9mm Diameter, 150mm Travel (S, M) / 170mm Travel (L, XL), 0mm Offset

TypeDropper

Pedals

Alloy Flat, With Replaceable Pins

Groupset
Rear Derailleur

Shimano Deore RD-M6100, 12-Speed

Crank

32T, Max Chainring 34T

Shifters

Shimano Deore SL-M6100-R, 1x12-Speed Trigger

Cassette

Shimano Deore CS-M6100, 10-51T, 12-Speed

Chain

KMC X-12

Brakes

Front: Shimano BR-MT420, 4-Piston Hydraulic Disc, Rear: Shimano BR-MT420, 4-Piston Hydraulic Disc

TypeShimano Hydraulic Disc

Wheels
Rims

Polygon MT6, Alloy Double Wall, 30mm Internal Width, 32H, Tubeless Tape pre-installed, Tubeless Ready **

Front Hub

Shimano TC-500, Boost 15x110mm, 32H, Center Lock

Rear Hub

Shimano TC-500, 12x148mm, 32H, Center Lock, Micro Spline

Tires

Maxxis Dissector, 29x2.4", 3C MaxxTerra, EXO+, Tubeless Ready **

Disc Rotors

Shimano SM-RT54, 180mm Front & Rear

Rider Notes
Riders Also Viewed

First added November 1

Last updated February 14

Not listed for 107 days