2013 Kona Bicycle Company Big Unit frame

	16	18	19	20	22
Stack	617.2mm	629.9mm	637.5mm	645.2mm	670.6mm
Reach	393.7mm	414mm	414mm	421.6mm	442mm
Stack to Reach Ratio	1.57:1	1.52:1	1.54:1	1.53:1	1.52:1
Seat Tube Length, C-T	406.4mm	457.2mm	482.6mm	508mm	558.8mm
Top Tube Length, Effective/Horizontal Unknown	571.5mm	596.9mm	609.6mm	622.3mm	647.7mm
Top Tube Slope	24.1deg	19.4deg	17.6deg	15.6deg	12.7deg
Head Tube Angle	68.5deg	70deg	70deg	70deg	71deg
Seat Tube Angle	74deg	74deg	73deg	73deg	73deg
Head Tube Length	109.2mm	119.4mm	129.5mm	139.7mm	160mm
Bottom Bracket Drop	58.4mm	53.3mm	53.3mm	53.3mm	53.3mm
Bottom Bracket Height	308.5mm	313.5mm	313.5mm	313.5mm	313.5mm
Chainstay Length	434.3mm	434.3mm	434.3mm	434.3mm	434.3mm
Chainstay Length Horizontal	430.4mm	431.1mm	431.1mm	431.1mm	431.1mm
Front-Center	665.5mm	675.6mm	678.2mm	690.9mm	706.1mm
Front-Center Horizontal	664.4mm	673.9mm	676.4mm	689.1mm	704.3mm
Wheelbase	1094.7mm	1104.9mm	1107.4mm	1120.1mm	1135.4mm
Fork Offset/Rake	47mm	47mm	47mm	47mm	47mm
Fork Length (Axle-To-Crown)	483mm	483mm	483mm	483mm	483mm
Trail	94mm very high	83.5mm very high	83.5mm very high	83.5mm very high	76.6mm high
Mechanical Trail	87.5mm	78.5mm	78.5mm	78.5mm	72.4mm
Wheel Flop	32.1mm	26.8mm	26.8mm	26.8mm	23.6mm
Standover Height	779.8mm	815.3mm	830.6mm	843.3mm	878.8mm
Tire to Pedal Spindle	128.6mm 170 mm cranks	138.8mm 170 mm cranks	141.3mm 170 mm cranks	154mm 170 mm cranks	169.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	138.5mm 170 mm cranks	143.5mm 170 mm cranks	143.5mm 170 mm cranks	143.5mm 170 mm cranks	143.5mm 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:http://2013.konaworld.com/bike.cfm?content=big_unit#2

Geometry