This single-speed cromoly bike is a great entry into bikepacking and adventure riding. Carry everything you need on the Unit's cromoly steel frame. The huge tyres make for a comfortable all-day ride in the sun .
{{ (product.stock.available ? ' In stock' : ' Out of stock') | t }}{{ ? (', ' | lower) : '' }}
Shipping costs for bicycles differ greatly depending on location and the size of the bike, so we'll contact you with a shipping quote after purchase.
{{ 'Leave your e-mail address so we can send you an e-mail when this product is back in stock.' | t }}

Looking for a do-it-all bikepacking bike? What about a bike that can roll over gravel with ease and shred down a mountain? What about a bike that can turn a single speed commuter? The Kona Unit X might be for you!

This 2023 Unit features

  • Alhonga Hydraulic brakes
  • 18T cassette
  • 29 x 2.6" tyres - massive clearance
  • Suspension corrected frame
  • Sliding dropouts - run the bike single speed if you want!
    • Can be converted to run gears.
  • Rigid fork
  • Reynolds 520 Butted Chromoly tubing
  • Fork and top-tube feed bag mounts


FrameReynolds 520 Butted Cromoly
SizesS, M, L, XL
ForkKona Plus Fork 110mm spacing
CrankarmsFSA Comet Modular
Bottom BracketFSA MegaExo 73mm
PedalsKona JS2
ChainKMC Z1 Narrow
CassetteKT 18t
Rear DerailleurN/A
BrakesAlhonga HT472 Hydraulic
Brake RotorsFRONT:Alhonga 180mm REAR:Alhonga 160mm
HeadsetTH ZST No.10
HandlebarKona XC/BC Riser & Kona Key Grip
SeatpostKona Thumb w/Offset 31.6mm
SaddleWTB Volt
WheelsRIMS: WTB ST i30 TCS 2.0 FRONT hub: Formula 110x15mm REAR HUB: Formula 148x12mm SPOKES: Stainless Black 14g
TyresMaxxis Rekon TR 29x2.6" or WTB Ranger TCS 29x2.6"
  • Compatible with rear racks
1ST LENGTH370420470530
2TT LENGTH582610637675
7HT LENGTH110120130140
9CS LENGTH430430430430
10BB DROP65656565
11BB HEIGHT310310310310
13FRONT CENTER693722750789
14FORK LENGTH470470470470
15FORK OFFSET50505050

Register within 3 months of purchase to increase warranty from 3 years to lifetime of the original owner (with exception of carbon frames). You can register your new Kona here