2023 Marin Bikes Rift Zone 29 XR

	S	M	L	XL
Stack	623.6mm	628.2mm	637.3mm	641.8mm
Reach	435mm	460mm	485mm	515mm
Stack to Reach Ratio	1.43:1	1.37:1	1.31:1	1.25:1
Seat Tube Length, C-T	390mm	400mm	425mm	430mm
Top Tube Length, Effective/Horizontal Center	579mm	605mm	632.1mm	663.2mm
Head Tube Angle	65.5deg	65.5deg	65.5deg	65.5deg
Effective Seat Tube Angle, Unknown	77deg	77deg	77deg	77deg
Head Tube Length	110mm	115mm	125mm	130mm
Bottom Bracket Drop	35mm	35mm	35mm	35mm
Bottom Bracket Height	339.5mm	339.5mm	339.5mm	339.5mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	428.6mm	428.6mm	428.6mm	428.6mm
Front-Center	742.3mm	777.3mm	806.6mm	838.5mm
Front-Center Horizontal	741.4mm	776.5mm	805.8mm	837.7mm
Wheelbase	1170mm	1205.1mm	1234.4mm	1266.3mm
Fork Offset/Rake	44mm	44mm	44mm	44mm
Trail	122.3mm very high	122.3mm very high	122.3mm very high	122.3mm very high
Mechanical Trail	111.3mm	111.3mm	111.3mm	111.3mm
Wheel Flop	46.2mm	46.2mm	46.2mm	46.2mm
Standover Height	690.2mm	691.2mm	701.7mm	700.5mm
Tire to Pedal Spindle	197.8mm 170 mm cranks	232.8mm 170 mm cranks	262.1mm 170 mm cranks	294mm 170 mm cranks
Pedal Spindle to Ground Clearance	169.5mm 170 mm cranks	169.5mm 170 mm cranks	169.5mm 170 mm cranks	169.5mm 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.marinbikes.com/bikes/2023-rift-zone-29-xr#geometry

Geometry