2023 Marin Bikes San Quentin 3 -27.5 Aluminium, 27.5", 140mm Marzocchi Z2

	S	M	L	XL
Stack	618mm	622.5mm	631.5mm	636mm
Reach	422mm	450mm	470mm	500mm
Stack to Reach Ratio	1.46:1	1.38:1	1.34:1	1.27:1
Seat Tube Length, C-T	310mm	340mm	375mm	414mm
Top Tube Length, Effective/Horizontal Center	564.7mm	593.7mm	615.8mm	646.8mm
Top Tube Slope	32.7deg	29deg	25.6deg	21.4deg
Head Tube Angle	64deg	64deg	64deg	64deg
Seat Tube Angle	77deg	77deg	77deg	77deg
Head Tube Length	110mm	115mm	125mm	130mm
Bottom Bracket Drop	50mm	50mm	50mm	50mm
Bottom Bracket Height	305.5mm	305.5mm	305.5mm	305.5mm
Chainstay Length Horizontal	425mm	425mm	425mm	425mm
Front-Center	750.1mm	780.2mm	804.6mm	836.7mm
Front-Center Horizontal	748.4mm	778.6mm	803mm	835.2mm
Wheelbase	1173.4mm	1203.6mm	1228mm	1260.2mm
Fork Offset/Rake	47mm	47mm	47mm	47mm
Fork Length (On-Axis)	140mm	140mm	140mm	140mm
Trail	121.1mm very high	121.1mm very high	121.1mm very high	121.1mm very high
Mechanical Trail	108.8mm	108.8mm	108.8mm	108.8mm
Wheel Flop	47.7mm	47.7mm	47.7mm	47.7mm
Standover Height	627.7mm	656.4mm	664.8mm	681mm
Tire to Pedal Spindle	224.6mm 170 mm cranks	254.7mm 170 mm cranks	279.1mm 170 mm cranks	311.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	135.5mm 170 mm cranks	135.5mm 170 mm cranks	135.5mm 170 mm cranks	135.5mm 170 mm cranks

Published Sizing Recommendations

Height

158 cm

168 cm

178 cm

188 cm

183 cm

187 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.

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Source:https://www.marinbikes.com/nz/bikes/2022-san-quentin-3-frame-kit-2#specifications