	M	L	XL	XXL
Stack	626mm	637mm	649mm	662mm
Reach	452mm	475mm	500mm	527mm
Stack to Reach Ratio	1.38:1	1.34:1	1.3:1	1.26:1
Seat Tube Length, C-T	405mm	425.3mm	445mm	464mm
Seat Tube Length, Effective Unknown	77mm	76.9mm	76.7mm	76.6mm
Top Tube Length, Effective/Horizontal Center	596.5mm	623.5mm	652.9mm	684.6mm
Head Tube Angle	64.5deg	64.5deg	64.5deg	64.5deg
Head Tube Length	111.4mm	123.6mm	136.9mm	151.3mm
Bottom Bracket Drop	10.4mm	10.4mm	10.4mm	10.4mm
Bottom Bracket Height	364.1mm	364.1mm	364.1mm	364.1mm
Chainstay Length	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	439.9mm	439.9mm	439.9mm	439.9mm
Front-Center	787.7mm	816mm	846.8mm	879.9mm
Front-Center Horizontal	788mm	816.3mm	847.1mm	880.2mm
Wheelbase	1227.9mm	1256.2mm	1287mm	1320.1mm
Fork Offset/Rake	38.3mm	38.3mm	38.4mm	38.3mm
Fork Length (On-Axis)	576mm	576mm	576mm	576mm
Trail	136.2mm very high	136.2mm very high	136.1mm very high	136.2mm very high
Mechanical Trail	123mm	122.9mm	122.8mm	122.9mm
Wheel Flop	52.9mm	52.9mm	52.9mm	52.9mm
Standover Height	782.5mm	788.9mm	791.5mm	799.1mm
Tire to Pedal Spindle	243.2mm 170 mm cranks	271.5mm 170 mm cranks	302.3mm 170 mm cranks	335.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	194.1mm 170 mm cranks	194.1mm 170 mm cranks	194.1mm 170 mm cranks	194.1mm 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://www.amflowbikes.com/pr-carbon

2027 Amflow PR - Mullet High Setting Base

Geometry