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2018 Polygon

XQUARONE EX9 Frameset

A 27.5″ carbon frame full suspension enduro frameset.

Manufacturer Price

$2,999
Weight8.4 lbs (frame)  
FrameCarbon
SuspensionFull, 180mm rear
ShockFox Float X2 Factory
Wheels27.5″
SeatpostDropper
Where to Buy
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Insights
Sizing
MD

5'3" – 5'9"

LG

5'7" – 6'1"

XL

5'11" – 6'5"

Rider Fit Notes

None yet.

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Reviews

Summary

The Polygon Xquarone stands out in the enduro category with its unique R3ACT 2Play suspension system, offering impressive traction, efficiency, and composure in rough terrain. While it excels in pedaling and descending, its unconventional design and conservative geometry may not appeal to everyone. The bike is praised for its ability to inspire confidence and carry speed through challenging sections, though some riders may find its looks divisive and its price point high.

Pros
  • Unique R3ACT 2Play suspension system provides excellent traction and efficiency

  • Impressive composure and speed in rough terrain

  • Encourages rider confidence and progression

  • Climbs efficiently despite its enduro focus

  • High-end componentry and stiff chassis for precise handling

Cons
  • Divisive looks due to unconventional suspension design

  • Conservative geometry may not suit all riders

  • High price point and brand perception could deter some

  • Not as playful or 'poppy' as some competitors

  • Limited trail availability during testing for some models

Key Quotes
the XquarOne DH kept things in check admirably well
Bikerumor logoBikerumor
The most impressive thing about this bike is how it pedals.
BikeRadar logoBikeRadar
The Polygon simply carries more speed through rough terrain than any other bike we’ve ridden.
Flow Mountain Bike logoFlow Mountain Bike

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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 · Zach Overholt

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
Specs
Build
Frame

NAILD R3ACT 2PLAY SUSPENSION ACX, 180mm TRAVEL, FOR THRU AXLE BOOST 12x148mm

ColorGreen / Black Red / Black on Black

Fork

FOR 180mm TRAVEL (NOT INCLUDED)

Shock

FOX FACTORY FLOAT X2 (230x65mm, 10x25mm hardware & w/o hardware)

Travel180mm

Bottom Bracket

BB92 PRESS-FIT 92mm (NOT INCLUDED)

Stem

-

Handlebar

-

Saddle

-

Seatpost

KS LEV SIO

TypeDropper

Pedals

-

Groupset
Rear Derailleur

-

Crank

-

Shifters

-

Cassette

-

Chain

-

Brakes

-

Wheels
Rims

-

Tires

27.5"x2.60" MAX (NOT INCLUDED)

Rider Notes
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First added December 22

Last updated April 22

Not listed for 1,866 days