2020 Growler Bikes American Session IPA Base

	51cm	54cm	56cm	58cm	61cm
Stack	550mm	562mm	610mm	629mm	645mm
Reach	377mm	385mm	390mm	395mm	405mm
Stack to Reach Ratio	1.46:1	1.46:1	1.56:1	1.59:1	1.59:1
Seat Tube Length, Unknown	465mm	495mm	525mm	545mm	575mm
Top Tube Length, Effective/Horizontal Unknown	535mm	560mm	576mm	587mm	608mm
Top Tube Slope	11.5deg	9.4deg	11.2deg	11deg	9.5deg
Head Tube Angle	70deg	70.5deg	71deg	71.5deg	71.5deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	72.5deg
Head Tube Length	121mm	163mm	182mm	200mm	217mm
Bottom Bracket Drop	72mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	282mm	284mm	284mm	284mm	284mm
Chainstay Length	430mm	430mm	430mm	435mm	440mm
Chainstay Length Horizontal	423.9mm	424.3mm	424.3mm	429.3mm	434.4mm
Front-Center	603.4mm	620.7mm	627.7mm	633.6mm	648.4mm
Front-Center Horizontal	599.1mm	616.7mm	623.7mm	629.7mm	644.6mm
Wheelbase	1023mm	1041mm	1048mm	1059mm	1079mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm
Trail	81mm very high	77.6mm high	74.3mm high	71mm high	71mm high
Mechanical Trail	76.1mm	73.2mm	70.3mm	67.3mm	67.3mm
Wheel Flop	26mm	24.4mm	22.9mm	21.4mm	21.4mm
Standover Height	725mm	761mm	775mm	801mm	825mm
Tire to Pedal Spindle	79.4mm 170 mm cranks	96.7mm 170 mm cranks	103.7mm 170 mm cranks	109.6mm 170 mm cranks	124.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	112mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	114mm 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://growlerbikes.com/products/session-ipa-gravel

Geometry