2022 Jan Janssen Rohnin Herren

	S	M	L	XL
Stack	595mm	610mm	635mm	659mm
Reach	405mm	407mm	425mm	430mm
Stack to Reach Ratio	1.47:1	1.5:1	1.49:1	1.53:1
Seat Tube Length, C-T	490mm	550mm	600mm	640mm
Top Tube Length, Effective/Horizontal HT Top	587mm	593mm	631mm	644mm
Top Tube Slope	13deg	8.4deg	6deg	4.6deg
Head Tube Angle	70deg	70deg	70deg	70deg
Seat Tube Angle	73deg	73deg	72deg	72deg
Head Tube Length	147mm	163mm	190mm	215mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	283mm	283mm	283mm	283mm
Chainstay Length	470mm	470mm	470mm	470mm
Chainstay Length Horizontal	464.8mm	464.8mm	464.8mm	464.8mm
Front-Center	647mm	674.9mm	682.8mm	696.8mm
Front-Center Horizontal	643.2mm	671.2mm	679.2mm	693.2mm
Wheelbase	1108mm	1136mm	1144mm	1158mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Trail	80.6mm very high	80.6mm very high	80.6mm very high	80.6mm very high
Mechanical Trail	75.7mm	75.7mm	75.7mm	75.7mm
Wheel Flop	25.9mm	25.9mm	25.9mm	25.9mm
Tire to Pedal Spindle	124mm 170 mm cranks	151.9mm 170 mm cranks	159.8mm 170 mm cranks	173.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 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://www.janjanssen.nl/fiets/rohnin/

Geometry