2026 OPEN Cycle UP 2.0

	XS	S	M	L	XL
Stack	520mm	545mm	570mm	595mm	620mm
Reach	356mm	368mm	380mm	392mm	404mm
Stack to Reach Ratio	1.46:1	1.48:1	1.5:1	1.52:1	1.53:1
Seat Tube Length, C-T	418mm	449mm	483mm	504mm	518mm
Top Tube Length, Effective/Horizontal HT Top	506mm	525mm	545mm	564mm	584mm
Top Tube Slope	14.1deg	13deg	11.7deg	11.8deg	12.6deg
Head Tube Angle	70deg	71.5deg	71.5deg	72.5deg	72.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Bottom Bracket Drop	82mm	77mm	75mm	73mm	72mm
Bottom Bracket Height	274mm	279mm	281mm	283mm	284mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	417mm	418mm	418.3mm	418.7mm	418.9mm
Front-Center	589mm	590mm	610mm	614mm	634mm
Front-Center Horizontal	583mm	585mm	605.7mm	609.3mm	630.1mm
Wheelbase	1000mm	1003mm	1024mm	1028mm	1049mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	76.4mm high	66.4mm high	66.4mm high	59.8mm mid/neutral	59.8mm mid/neutral
Mechanical Trail	71.8mm	63mm	63mm	57.1mm	57.1mm
Wheel Flop	24.5mm	20mm	20mm	17.2mm	17.2mm
Standover Height	713mm	745mm	777mm	799mm	815mm
Tire to Pedal Spindle	63mm 170 mm cranks	64mm 170 mm cranks	84mm 170 mm cranks	88mm 170 mm cranks	108mm 170 mm cranks
Pedal Spindle to Ground Clearance	104mm 170 mm cranks	109mm 170 mm cranks	111mm 170 mm cranks	113mm 170 mm cranks	114mm 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://opencycle.com/upper-20

Geometry