2021 Pilot Cycles Scram Pinion

	51	54	57	60
Stack	563mm	585mm	603mm	630mm
Reach	344mm	365mm	384mm	404mm
Stack to Reach Ratio	1.64:1	1.6:1	1.57:1	1.56:1
Seat Tube Length, C-T	510mm	540mm	570mm	590mm
Top Tube Length, Effective/Horizontal HT Top	512mm	540mm	569mm	599mm
Top Tube Slope	8.6deg	7.4deg	6deg	6.5deg
Head Tube Angle	71deg	71deg	71deg	71deg
Seat Tube Angle	73.5deg	73.5deg	73deg	73deg
Head Tube Length	125mm	150mm	170mm	200mm
Bottom Bracket Drop	72mm	71mm	70mm	69mm
Bottom Bracket Height	258mm	259mm	260mm	261mm
Chainstay Length	444mm	444mm	444mm	444mm
Chainstay Length Horizontal	438.1mm	438.3mm	438.5mm	438.6mm
Front-Center	565.5mm	595mm	624.5mm	654mm
Front-Center Horizontal	560.9mm	590.7mm	620.6mm	650.4mm
Wheelbase	999mm	1029mm	1059mm	1089mm
Fork Offset/Rake	45.2mm	46.1mm	50.1mm	50.3mm
Trail	65.8mm high	64.9mm mid/neutral	60.6mm mid/neutral	60.4mm mid/neutral
Mechanical Trail	62.2mm	61.4mm	57.3mm	57.1mm
Wheel Flop	20.3mm	20mm	18.7mm	18.6mm
Tire to Pedal Spindle	65.5mm 170 mm cranks	95mm 170 mm cranks	124.5mm 170 mm cranks	154mm 170 mm cranks
Pedal Spindle to Ground Clearance	88mm 170 mm cranks	89mm 170 mm cranks	90mm 170 mm cranks	91mm 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.pilotcycles.com/frame-customize/scram-pinion/

Geometry