2025 Open mold G40 Base

	XS	S	M	L	XL
Stack	526mm	555.7mm	585.4mm	604.7mm	631mm
Reach	379mm	385.7mm	391.5mm	400mm	401.5mm
Stack to Reach Ratio	1.39:1	1.44:1	1.5:1	1.51:1	1.57:1
Seat Tube Length, C-T	410mm	440mm	470mm	492mm	520mm
Top Tube Length, Effective/Horizontal HT Top	515mm	532mm	559mm	579mm	594mm
Top Tube Slope	15deg	14.7deg	14.4deg	13.8deg	13.6deg
Head Tube Angle	68.9deg	68.9deg	68.9deg	68.9deg	68.9deg
Seat Tube Angle	75.5deg	75.2deg	74deg	73.5deg	73.1deg
Head Tube Length	93.7mm	125.8mm	158mm	178mm	206mm
Bottom Bracket Drop	77mm	77mm	77mm	77mm	77mm
Bottom Bracket Height	279mm	279mm	279mm	279mm	279mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	423.1mm	423.1mm	423.1mm	423.1mm	423.1mm
Front-Center	634mm	641mm	646mm	654.5mm	656mm
Front-Center Horizontal	616mm	631mm	648mm	663mm	674mm
Wheelbase	1039mm	1054mm	1071mm	1086mm	1097mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length (On-Axis)	395mm	395mm	395mm	395mm	395mm
Trail	83.8mm very high	83.8mm very high	83.8mm very high	83.8mm very high	83.8mm very high
Mechanical Trail	78.2mm	78.2mm	78.2mm	78.2mm	78.2mm
Wheel Flop	28.1mm	28.1mm	28.1mm	28.1mm	28.1mm
Tire to Pedal Spindle	108mm 170 mm cranks	115mm 170 mm cranks	120mm 170 mm cranks	128.5mm 170 mm cranks	130mm 170 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 170 mm cranks	109mm 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://e.tb.cn/h.63saqAhLbwlcBXe?

Geometry