2021 Kona

Unit X

A 29″ steel frame rigid crosscountry bike with upper mid-range components.
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MSRP$1,499
FrameSteel
SuspensionRigid
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetSX Eagle
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Unit X
Other Crosscountry 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)

25 mph

Unit X

27 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.

Sizing
SM

5'0" – 5'8"

MD

5'2" – 6'1"

LG

5'9" – 6'6"

XL

5'10" – 6'6"

🐐 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
BIKEPACKING.com
Kona Unit X Dream Builds: Alpine vs. Expedition

Oct 2022 · Montanus

In their latest video, Francesco and Giorgio from Montanus assemble two Kona Unit X dream builds using select components and bags...

Read Review

Singletrack World
Review: Kona's Unit X is like a singlespeed, but with 10 more gears?

Dec 2018 · Chipps

The Kona Unit has a long history, from a Canadian company with an equally deep heritage. While Kona celebrates its 30th birthday in 2018, the Unit name dates back at...

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Reynolds 520 Butted Cromoly

ColorGloss Metallic Rust w/ Dark Seafoam & Charcoal Decals

Fork

Kona Plus fork 110mm spacing

Shock

n/a

Bottom Bracket

SRAM 73mm

Headset

TH ZST No.10

Stem

Kona XC/BC

Handlebar

Kona XC/BC Riser

Saddle

WTB Volt

Seatpost

Kona Thumb w/Offset 31.6mm

TypeRigid

Pedals

Kona JS2

Grips

Kona Key Grip

Groupset
Rear Derailleur

SRAM SX-Eagle

Front Derailleur

n/a

Crank

SRAM SX-Eagle, 32t X-Sync Eagle

Shifters

SRAM SX-Eagle

Cassette

SRAM SX-Eagle 11-50t 12spd

Chain

SRAM SX-Eagle

Chain Guide

n/a

Brakes

SRAM Level T

TypeHydraulic Disc

Brake Levers

SRAM Level T

Wheels
Rims

WTB ST i30 2.0 TCS

Spokes

Stainless Black 14g

Front Hub

Formula 110x15mm

Rear Hub

Formula 148x12mm

Tires

Rear: WTB Ranger TCS 29x2.6"

Disc Rotors

SRAM Centerline 180mm

Rider Notes
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Last updated April 24
Not listed for 1,090 days