2019 Polygon

Xquarone EX 9

A 27.5″ carbon frame full suspension enduro bike with ultra high-end components.
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Manufacturer Price

$7,999
Weight29.8 lbs  
FrameCarbon
SuspensionFull, 180 / 180mm
ForkFox Factory Float 36
ShockFox Float X2 Factory
Wheels27.5″ Carbon
Drivetrain1 × 12
GroupsetXX1 Eagle
BrakesHydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Xquarone EX 9
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)

26 mph

Xquarone EX 9

26 mph

Similar Bikes

Highest gear

(descending)

Sizing
MD

5'4" – 5'10"

LG

5'8" – 6'3"

XL

6'0" – 6'6"

🐐 Estimated

Rider Fit Notes

None yet.

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Reviews
BikeRadar
Polygon Xquarone EX8 first ride review

Oct 2018 · Seb Stott

When descending, the short front-centre, relatively steep (for the travel) 66-degree head angle and high rear spring rate push the rider’s weight forward, making for a nervous ride on steep, technical trails.

Read Review

Bikerumor
First Ride: Rolling through Glencoe on the new Polygon XquarOne DH

Aug 2018

Upon arrival to Scotland, I still wasn’t sure where we would be riding. All I knew is that we were there to ride the new DH bike from Polygon and we would be staying very close to Fort William the week before the World Cup. That turned out to be a bit of a fake …

Read Review

Flow Mountain Bike
Tested: Polygon XQUARONE EX9

Aug 2017

Watch our full video review below:  Jeez it’s ugly. No, it’s not really, we promise. Pictures just don’t do this bike any favours. It’s unconventional, for sure, but when you see it in the flesh it’s far more impressive than offensive. In an era where bikes seem to settling into a couple of broader frame layouts/configurations, …

Highs
  • Bafflingly good as an all-rounder.

  • More grip and momentum than should be possible.

  • Climbs like a demon.

Lows
  • No bottle mounts.

  • Divisive looks.

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Carbon Fiber

Fork

FOX Factory 36 Float, Boost

Travel180mm

Spring TypeAir

Shock

FOX Factory Float X2

Travel180mm

Spring TypeAir

Bottom Bracket

SRAM DUB, pressfit

Headset

FSA Orbit, C-40/48-CF-ACB

Stem

Race Face Turbine R, alloy, 50mm length, 0 rise

Handlebar

Race Face Next R, 35mm bore, carbon, 780mm width, 20mm rise

Saddle

Entity Assault with Cr-Mo rails

Seatpost

KS LEV Sio, dropper, 150mm travel

TypeDropper

Pedals

None

Groupset
Rear Derailleur

SRAM XX1 Eagle, 12-speed

Front Derailleur

None

Crank

SRAM XX1 Eagle, 12-speed, Boost,175mm

Shifters

SRAM XX1 Eagle, 12-speed

Cassette

SRAM XG 1295 Eagle, 12-speed, 10-50 tooth

Chain

SRAM XX1 Eagle, 12-speed

Chain Guide

None

Brakes

SRAM Guide Ultimate

TypeHydraulic Disc

Brake Levers

SRAM Guide Ultimate

Wheels
Rims

e*thirteen TRS Race Carbon Boost wheelset

Spokes

e*thirteen TRS Race Carbon Boost wheelset

Front Hub

e*thirteen TRS Race Carbon Boost wheelset

Rear Hub

e*thirteen TRS Race Carbon Boost wheelset

Tires

Schwalbe Nobby Nic, 27.5"x2.6"

Rider Notes
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Last updated March 17
Not listed for 1,884 days