2017 Kona Bicycle Company Unit Base

	S	M	L	XL
Stack	573mm	582mm	592mm	601mm
Reach	404mm	429mm	453mm	483mm
Stack to Reach Ratio	1.42:1	1.36:1	1.31:1	1.24:1
Seat Tube Length, C-T	370mm	420mm	470mm	530mm
Top Tube Length, Effective/Horizontal HT Top	568mm	596mm	623mm	656mm
Top Tube Slope	23.2deg	18.1deg	13.5deg	8.3deg
Head Tube Angle	69deg	69deg	69deg	69deg
Seat Tube Angle	74deg	74deg	74deg	74deg
Head Tube Length	95mm	105mm	115mm	125mm
Bottom Bracket Drop	60mm	60mm	60mm	60mm
Bottom Bracket Height	308.2mm	308.2mm	308.2mm	308.2mm
Chainstay Length	442mm	442mm	442mm	442mm
Chainstay Length Max	442mm	442mm	442mm	442mm
Chainstay Length Horizontal	437.9mm	437.9mm	437.9mm	437.9mm
Chainstay Length Horizontal Max	437.9mm	437.9mm	437.9mm	437.9mm
Front-Center	656.8mm	685.7mm	713.6mm	747.5mm
Front-Center Horizontal	654.1mm	683.1mm	711.1mm	745.1mm
Wheelbase	1092mm	1121mm	1149mm	1183mm
Wheelbase Max	1092mm	1121mm	1149mm	1183mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Fork Length (On-Axis)	470mm	470mm	470mm	470mm
Trail	87.8mm very high	87.8mm very high	87.8mm very high	87.8mm very high
Mechanical Trail	82mm	82mm	82mm	82mm
Wheel Flop	29.4mm	29.4mm	29.4mm	29.4mm
Standover Height	690mm	725mm	760mm	805mm
Tire to Pedal Spindle	118.6mm 170 mm cranks	147.5mm 170 mm cranks	175.4mm 170 mm cranks	209.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	138.2mm 170 mm cranks	138.2mm 170 mm cranks	138.2mm 170 mm cranks	138.2mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:Bike Counterculture Geometry Database

Geometry