2025 Shulz Folding Bicycles OK Commuter Base

	S	M	L	XL
Stack	568mm	592mm	611mm	639mm
Reach	367mm	394mm	420mm	446mm
Stack to Reach Ratio	1.55:1	1.5:1	1.45:1	1.43:1
Seat Tube Length, Unknown	500mm	530mm	560mm	590mm
Top Tube Length, Effective/Horizontal Unknown	540mm	575mm	600mm	635mm
Top Tube Slope	9.9deg	8.8deg	7.4deg	6.9deg
Head Tube Angle	71.5deg	71.5deg	71.5deg	71.5deg
Seat Tube Angle	73deg	73deg	73deg	73deg
Head Tube Length	115mm	140mm	160mm	190mm
Bottom Bracket Drop	71mm	71mm	71mm	71mm
Bottom Bracket Height	280mm	280mm	280mm	280mm
Chainstay Length	445mm	445mm	445mm	445mm
Chainstay Length Horizontal	439.3mm	439.3mm	439.3mm	439.3mm
Front-Center	590.3mm	625.1mm	657.3mm	692.4mm
Front-Center Horizontal	586mm	621.1mm	653.4mm	688.8mm
Wheelbase	1025.3mm	1060.4mm	1092.7mm	1128.1mm
Fork Offset/Rake	50mm	50mm	50mm	50mm
Fork Length, Unknown	418mm	418mm	418mm	418mm
Trail	64.7mm mid/neutral	64.7mm mid/neutral	64.7mm mid/neutral	64.7mm mid/neutral
Mechanical Trail	61.4mm	61.4mm	61.4mm	61.4mm
Wheel Flop	19.5mm	19.5mm	19.5mm	19.5mm
Standover Height	766mm	793mm	818mm	846mm
Tire to Pedal Spindle	69.3mm 170 mm cranks	104.1mm 170 mm cranks	136.3mm 170 mm cranks	171.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	110mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks	110mm 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://shulz.ru/catalog/bikes/road/shulz-ok-commuter/1740

Geometry