2023 Pro Prime Base

	XS	S	M
Stack	504mm	530mm	545mm
Reach	365mm	378mm	384mm
Stack to Reach Ratio	1.38:1	1.4:1	1.42:1
Seat Tube Length, C-T	430mm	467mm	498mm
Top Tube Length, Effective/Horizontal HT Top	505mm	530mm	545mm
Top Tube Slope	10.6deg	9.1deg	7.3deg
Head Tube Angle	70.5deg	72.5deg	73deg
Seat Tube Angle	74.5deg	74deg	73.5deg
Head Tube Length	100mm	120mm	140mm
Bottom Bracket Drop	75mm	75mm	70mm
Bottom Bracket Height	264mm	264mm	269mm
Chainstay Length	415mm	415mm	415mm
Chainstay Length Horizontal	408.2mm	408.2mm	409.1mm
Front-Center	559.9mm	563.8mm	570.3mm
Front-Center Horizontal	554.8mm	558.8mm	566mm
Wheelbase	963mm	967mm	975mm
Fork Offset/Rake	45mm	45mm	45mm
Trail	72.3mm high	59.7mm mid/neutral	56.6mm mid/neutral
Mechanical Trail	68.2mm	56.9mm	54.1mm
Wheel Flop	22.8mm	17.1mm	15.8mm
Tire to Pedal Spindle	50.9mm 170 mm cranks	54.8mm 170 mm cranks	61.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	94mm 170 mm cranks	99mm 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://procycling.id/downloads/

Geometry