	Small	Medium	Large	XLarge
Stack	648mm	648mm	662mm	662mm
Reach	445mm	465mm	485mm	505mm
Stack to Reach Ratio	1.46:1	1.39:1	1.36:1	1.31:1
Seat Tube Length, Unknown	374mm	375mm	377mm	379mm
Top Tube Slope	28.5deg	27.5deg	27.6deg	26.6deg
Head Tube Angle	63deg	63deg	63deg	63deg
Seat Tube Angle	78.8deg	78.8deg	78.8deg	78.8deg
Effective Seat Tube Angle, Seat Tube Top	83.2deg	82.3deg	81.4deg	80.5deg
Head Tube Length	110mm	110mm	125mm	125mm
Bottom Bracket Drop	35mm	35mm	35mm	35mm
Bottom Bracket Height	339.5mm	339.5mm	339.5mm	339.5mm
Chainstay Length	444mm	452mm	460mm	468mm
Chainstay Length Horizontal	442.6mm	450.6mm	458.7mm	466.7mm
Front-Center	818.1mm	838.1mm	864mm	884mm
Front-Center Horizontal	817.4mm	837.4mm	863.3mm	883.3mm
Wheelbase	1260mm	1288mm	1322mm	1350mm
Fork Offset/Rake	52mm	52mm	52mm	52mm
Fork Length (On-Axis)	602mm	602mm	602mm	602mm
Trail	132.5mm very high	132.5mm very high	132.5mm very high	132.5mm very high
Mechanical Trail	118mm	118mm	118mm	118mm
Wheel Flop	53.6mm	53.6mm	53.6mm	53.6mm
Tire to Pedal Spindle	273.6mm 170 mm cranks	293.6mm 170 mm cranks	319.5mm 170 mm cranks	339.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	169.5mm 170 mm cranks	169.5mm 170 mm cranks	169.5mm 170 mm cranks	169.5mm 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

2026 FRAMEWORKS Racing DH Base

Geometry