2017 Kona Bicycle Company Unit Base M

Build

650B/27.5 in × 3 in

Insights

Somewhat aggressive 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
582mm
Reach
429mm
Stack to Reach Ratio
1.36:1
Seat Tube Length, C-T
420mm
Top Tube Length, Effective/Horizontal HT Top
596mm
Top Tube Slope
18.1deg
Head Tube Angle
69deg
Seat Tube Angle
74deg
Head Tube Length
105mm
Bottom Bracket Drop
60mm
Bottom Bracket Height
308.2mm
Chainstay Length
442mm
Chainstay Length Max
442mm
Chainstay Length Horizontal
437.9mm
Chainstay Length Horizontal Max
437.9mm
Front-Center
685.7mm
Front-Center Horizontal
683.1mm
Wheelbase
1121mm
Wheelbase Max
1121mm
Fork Offset/Rake
50mm
Fork Length (On-Axis)
470mm
Trail
87.8mm
very high
Mechanical Trail
82mm
Wheel Flop
29.4mm
Standover Height
725mm
Tire to Pedal Spindle Distance
With 170 mm cranks
147.5mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
138.2mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
3in
Tire Outer Diameter
736.4mm
Bike Length with Tires
1857.4mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Source:Bike Counterculture Geometry Database