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2026 Polygon

COLLOSUS N8 CARBON

A 29″ aluminum frame full suspension enduro bike with high-end components.
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Manufacturer Price

$3,799
FrameAluminum
SuspensionFull, 170 / 170mm
ForkFox Performance Float 38
ShockFox Float X2 Performance
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetGX Eagle
BrakesMagura MT7 Pro Hydraulic Disc
SeatpostDropper
View on polygonbikes.comLearn about Polygon
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
COLLOSUS N8 CARBON
Other Enduro 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)

28 mph

COLLOSUS N8 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

5'1" – 5'6"

MD

5'4" – 5'10"

LG

5'8" – 6'2"

XL

6'0" – 6'5"

Rider Fit Notes
  • 5'3", size MD, Just right
Price History
Reviews

Summary

The Polygon Collosus is praised for its modern enduro geometry, offering a planted and predictable ride that excels in high-speed descents and corners. It provides impressive value for money with solid build kits and efficient suspension performance, though its heavy weight can hinder playfulness and climbing agility. While the bike requires careful setup to optimize handling, it delivers a capable and comfortable experience for aggressive riding.

Pros
  • Modern enduro geometry

  • Good value for money

  • Efficient suspension performance

  • Planted and predictable 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?

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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.

Highs
  • Competitive price (7700 CAD) for high-end spec

  • Versatile geometry with flip chips for wheel size and BB height

  • Lightweight (approx. 31 lb)

  • Lively climbing feel and good traction

  • Active and plush suspension

  • Impressively spec'd with full XTR Di2 and RockShox dampers

Lows
  • Maxxis Dissector Exo+ tires (especially front) may lack grip for aggressive terrain

  • 170mm dropper may be insufficient for taller riders

  • 180mm front rotor could be larger for more stopping power

  • Climb switch engagement feels awkward

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

aluminum

BB StandardBSA, 73mm, Threaded

Hanger StandardUDH

Tire Clearance2.6"

ColorSolid Black

Fork

FOX 38 FLOAT PERFORMANCE, 170mm TRAVEL

Travel170mm

Spring TypeAir

Shock

FOX FLOAT X2, E2E: 230x65mm

Travel170mm

Bottom Bracket

SRAM DUB BSA THREADED

Headset

FSA NO.57E W/ SEALED BEARING, ZS 44/28.6 | ZS 56/40

Stem

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

Handlebar

RACE FACE CHESTER 35, W: 780mm, BB: 35mm, R/D: 35mm, B: 8degree

Saddle

LINC XTENT, CR-MO ø7mm

Seatpost

TRANZ X JD-YSP39KL, 150mm (S, M) / 170mm (L, XL) TRAVEL, DxL: 34.9 x 456mm (S, M) / 495mm (L, XL)

TypeDropper

Pedals

ALLOY FLAT W/ REPLACEABLE PIN

Groupset
Rear Derailleur

SRAM GX EAGLE GX-1-B2

Crank

SRAM GX EAGLE, 32T

Shifters

SRAM GX SL-GX-1-A2, 1x12-SPEED TRIGGER

Cassette

SRAM GX EAGLE XG 1275 10-52T

Chain

SRAM GX EAGLE

Brakes

MAGURA MT7 HYDRAULIC DISC

TypeMagura MT7 Pro Hydraulic Disc

Brake Levers

MAGURA MT7 W/ HC3 LEVER

Wheels
Rims

ALLOY DOUBLE WALL H:18mm W: 30mm 622-30 32H FOR TYRE 622-54/76 TL READY

Spokes

F: 14G STAINLESS NDS:290mm DS:292mm W/ 12mm BRASS NIPPLE / R: 14G STAINLESS NDS:294mm DS:292mm W/ 12mm BRASS NIPPLE

Front Hub

NOVATEC D791SB BOOST 15x110mm 32H 6B

Rear Hub

NOVATEC D462SB BOOST 12x148mm 32H 6B FOR XD

Tires

MAXXIS ASSEGAI 29"x2.5" (622-63)

Disc Rotors

MAGURA MDR-C, 203mm 6B

Rider Notes
Riders Also Viewed

First added March 7

Last updated June 1