2015 Kona Bicycle Company Unit Base

	15	17	19	21
Stack	584mm	594mm	603mm	613mm
Reach	393mm	416mm	438mm	461mm
Stack to Reach Ratio	1.49:1	1.43:1	1.38:1	1.33:1
Seat Tube Length, Unknown	381mm	432mm	483mm	533mm
Top Tube Length, Effective/Horizontal Center	572mm	597mm	622mm	648mm
Top Tube Slope	23.5deg	18.5deg	13.7deg	9.5deg
Head Tube Angle	70deg	70deg	70deg	70deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	105mm	115mm	125mm	135mm
Bottom Bracket Drop	56mm	56mm	56mm	56mm
Bottom Bracket Height	312.2mm	312.2mm	312.2mm	312.2mm
Chainstay Length	434mm	434mm	434mm	434mm
Chainstay Length Horizontal	430.4mm	430.4mm	430.4mm	430.4mm
Front-Center	636mm	662mm	687mm	713mm
Front-Center Horizontal	633.6mm	659.6mm	684.6mm	711.6mm
Wheelbase	1064mm	1090mm	1115mm	1142mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Fork Length (On-Axis)	470mm	470mm	470mm	470mm
Trail	86.1mm very high	86.1mm very high	86.1mm very high	86.1mm very high
Mechanical Trail	80.9mm	80.9mm	80.9mm	80.9mm
Wheel Flop	27.7mm	27.7mm	27.7mm	27.7mm
Standover Height	730mm	760mm	790mm	820mm
Tire to Pedal Spindle	97.9mm 170 mm cranks	123.9mm 170 mm cranks	148.9mm 170 mm cranks	174.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	142.2mm 170 mm cranks	142.2mm 170 mm cranks	142.2mm 170 mm cranks	142.2mm 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:https://2015.konaworld.com/unit.cfm

Geometry