2017 Marin Bikes Four Corners Base

	XS	S	M	L	XL
Stack	560mm	580mm	624mm	624mm	678mm
Reach	377mm	381mm	403mm	409mm	427mm
Stack to Reach Ratio	1.49:1	1.52:1	1.55:1	1.53:1	1.59:1
Seat Tube Length, C-T	381mm	422mm	462mm	525mm	528mm
Top Tube Length, Effective/Horizontal Center	532mm	552.8mm	586.1mm	600mm	646.8mm
Top Tube Slope	21.9deg	19.3deg	18.7deg	12.2deg	16.6deg
Head Tube Angle	70.5deg	70.5deg	71.5deg	72deg	71.5deg
Seat Tube Angle	74.5deg	73.5deg	73.5deg	73deg	72deg
Head Tube Length	177mm	198mm	198mm	200mm	262mm
Bottom Bracket Drop	53.5mm	70.5mm	71.5mm	70mm	71.5mm
Bottom Bracket Height	280.5mm	263.5mm	281.5mm	283mm	281.5mm
Chainstay Length	432mm	432mm	450mm	450mm	450mm
Chainstay Length Max	432mm	432mm	450mm	450mm	450mm
Chainstay Length Horizontal	428.7mm	426.2mm	444.3mm	444.5mm	444.3mm
Chainstay Length Horizontal Max	428.7mm	426.2mm	444.3mm	444.5mm	444.3mm
Front-Center	604.1mm	619.6mm	640.7mm	644.5mm	684.6mm
Front-Center Horizontal	601.7mm	615.6mm	636.7mm	640.7mm	680.8mm
Wheelbase	1030.4mm	1041.8mm	1081mm	1085.2mm	1125.1mm
Wheelbase Max	1030.4mm	1041.8mm	1081mm	1100mm	1125.1mm
Fork Offset/Rake	43mm	43mm	49mm	49mm	49mm
Trail	72.7mm high	72.7mm high	66.4mm high	63.2mm mid/neutral	66.4mm high
Mechanical Trail	68.5mm	68.5mm	63mm	60.1mm	63mm
Wheel Flop	22.9mm	22.9mm	20mm	18.6mm	20mm
Standover Height	666.6mm	706.4mm	744.5mm	786mm	809.8mm
Tire to Pedal Spindle	100.1mm 170 mm cranks	115.6mm 170 mm cranks	117.7mm 170 mm cranks	121.5mm 170 mm cranks	161.6mm 170 mm cranks
Pedal Spindle to Ground Clearance	110.5mm 170 mm cranks	93.5mm 170 mm cranks	111.5mm 170 mm cranks	113mm 170 mm cranks	111.5mm 170 mm cranks

Published Sizing Recommendations

Height

149 cm

160 cm

157 cm

168 cm

178 cm

185 cm

193 cm

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://geometrygeeks.bike/bike/marin-four-corners-2017/