Kona Unit

2013 MountainCross-country

Suspension: Rigid
Wheels: 29″
Frame: Steel
Brakes: Mechanical disc

Sizes

Size guide

The manufacturer did not publish rider heights for these sizes.

Components

17 of 21 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Kona Cromoly Butted Not identified

Suspension

2 parts

Fork
- Kona
Rear shock

None

Drivetrain

7 parts

Bottom bracket
- FSA
Cassette
- Formula
Chain
- KMC
Crankset

32t Not identified
Front derailleur

None
Rear derailleur

None
Shifters

None

Brakes

3 parts

Wheels and tires

5 parts

Front hub
- Formula
Rear hub
- Formula
Rims
- WTB
Spokes

Sandvik Stainless 15g fr / 14g rr Not identified
Tires
- Maxxis

Cockpit and contact points

7 parts

Grips
- Kona
Handlebar
- Kona
Headset

TH ZST No.10 Not identified
Pedals
- Kona
Saddle
- WTB Volt
Seatpost
- Kona
Stem
- Kona

Sizes and geometry

5 sizes Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size 19"

Table

Reach 420mm

Stack 610mm

Wheelbase 1100mm

Head angle 70.0°

Seat angle 73.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reach Stack

Complete manufacturer geometry table 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	410	425	420	435	455
Stackmm	565	585	610	605	625
Top tube lengthmm	570	595	610	620	650
Seat tube lengthmm	405	455	485	510	560
Head tube lengthmm	90	110	120	130	150
Head tube angle	68.5°	70°	70°	70°	71°
Seat tube angle	74°	74°	73°	73°	73°
Chainstay lengthmm	435	435	435	435	435
Wheelbasemm	1085	1105	1100	1105	1125
Front centermm	660	670	675	690	705
Bottom bracket dropmm	60	55	55	55	55
Bottom bracket heightmm	310	315	315	315	315
Standover heightmm	760	800	815	830	870
Fork rakemm	45	45	45	45	45
Trailmm	102	81	89	98	87
Stack/reach ratio	1.38	1.38	1.45	1.39	1.37

Not published by the manufacturer: Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Steel

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32

Wheels and brakes

Wheel configuration: Same size
Brake type: Mechanical disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 2.2″
Travel: Rear: Additional specification: Not available: Yes
Wheel material: Aluminum
Wheel size: 29″

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Changes since 2012

Changes since 2012
Specification	2012 Kona Unit	This bicycle Kona Unit
Drivetrain
Rear sprockets	1	Not informed
Smallest sprocket	18	Not informed
Largest sprocket	18	Not informed
Lowest gear	51.6 in	Not informed
Highest gear	51.6 in	Not informed
Cockpit
Shifting	No shifting	Mechanical
Other specifications
Tire width	2.1″	2.2″