2012 Kona Bicycle Company Unit Base 20

Build

700C/29 in × 2.1 in

Insights

Average stack and reach vs trend of rigid mtb bikes
Design deviates from other sizes of Kona Bicycle Company Unit

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
619.8mm
Reach
431.8mm
Stack to Reach Ratio
1.44:1
Seat Tube Length, C-T
508mm
Top Tube Length, Effective/Horizontal Unknown
622.3mm
Top Tube Slope
13deg
Head Tube Angle
71deg
Seat Tube Angle
73deg
Head Tube Length
139.7mm
Bottom Bracket Drop
63.4mm
Bottom Bracket Height
300.9mm
Chainstay Length
434.3mm
Chainstay Length Horizontal
429.7mm
Front-Center
680.7mm
Front-Center Horizontal
677.8mm
Wheelbase
1107.4mm
Fork Offset/Rake
48.3mm
Fork Length, Unknown
464.8mm
Trail
74.4mm
high
Mechanical Trail
70.4mm
Wheel Flop
22.9mm
Standover Height
848.4mm
Tire to Pedal Spindle Distance
With 170 mm cranks
146.4mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
130.9mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.1in
Tire Outer Diameter
728.7mm
Bike Length with Tires
1836.1mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Features
Single-speed capable
Source:https://web.archive.org/web/20120328112748/http://www.konaworld.com/29er_singlespeed.cfm?content=unit