2020 On-One Bootzipper Base

	SMALL	MED	LRG	XLG
Stack	573mm	591mm	610mm	624mm
Reach	420mm	440mm	460mm	480mm
Stack to Reach Ratio	1.36:1	1.34:1	1.33:1	1.3:1
Seat Tube Length, C-T	380mm	431mm	483mm	510mm
Top Tube Length, Effective/Horizontal Center	579mm	604mm	630mm	654mm
Top Tube Slope	21.6deg	17.6deg	13.8deg	12.1deg
Head Tube Angle	70deg	70deg	70deg	70deg
Seat Tube Angle	74.5deg	74.5deg	74.5deg	74.5deg
Head Tube Length	105mm	125mm	145mm	160mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm
Bottom Bracket Height	301.9mm	301.9mm	301.9mm	301.9mm
Chainstay Length	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	445.3mm	445.3mm	445.3mm	445.3mm
Front-Center	657mm	684mm	711mm	734mm
Front-Center Horizontal	661.7mm	688.7mm	715.7mm	738.7mm
Wheelbase	1107mm	1134mm	1161mm	1184mm
Fork Offset/Rake	55mm	55mm	55mm	55mm
Trail	75mm high	75mm high	75mm high	75mm high
Mechanical Trail	70.5mm	70.5mm	70.5mm	70.5mm
Wheel Flop	24.1mm	24.1mm	24.1mm	24.1mm
Tire to Pedal Spindle	120.1mm 170 mm cranks	147.1mm 170 mm cranks	174.1mm 170 mm cranks	197.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	131.9mm 170 mm cranks	131.9mm 170 mm cranks	131.9mm 170 mm cranks	131.9mm 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:On-One website

Geometry