2025 OPEN Cycle U.P. conc.ept

	< 165	160-171	169-180	178-191	> 188
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-TTT	418mm	449mm	483mm	504mm	518mm
Top Tube Length, Effective/Horizontal Center	506mm	525mm	545mm	564mm	584mm
Top Tube Slope	11.8deg	10.8deg	9.5deg	9.7deg	10.6deg
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	264mm	269mm	271mm	273mm	274mm
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	63.5mm	57.3mm	56.9mm	50.3mm	50.9mm
Trail	58.4mm mid/neutral	55.3mm mid/neutral	55.7mm mid/neutral	56.4mm mid/neutral	55.7mm mid/neutral
Mechanical Trail	54.9mm	52.5mm	52.9mm	53.8mm	53.2mm
Wheel Flop	18.8mm	16.7mm	16.8mm	16.2mm	16mm
Standover Height	713mm	745mm	777mm	799mm	815mm
Tire to Pedal Spindle	73mm 170 mm cranks	74mm 170 mm cranks	94mm 170 mm cranks	98mm 170 mm cranks	118mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	99mm 170 mm cranks	101mm 170 mm cranks	103mm 170 mm cranks	104mm 170 mm cranks

Published Sizing Recommendations

PBH

55 in

53 in

56 in

510 in

62 in

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/eu-en/upper-20