2025 Marin Bikes Rift Zone EL 1

	S	M	L	XL
Stack	618.7mm	632.3mm	641.4mm	645.9mm
Reach	430mm	460mm	490mm	520mm
Stack to Reach Ratio	1.44:1	1.37:1	1.31:1	1.24:1
Seat Tube Length, C-T	400mm	420mm	430mm	460mm
Top Tube Length, Effective/Horizontal Center	572.9mm	606mm	638.1mm	669.1mm
Top Tube Slope	23.8deg	21.9deg	20.8deg	17.6deg
Head Tube Angle	65deg	65deg	65deg	65deg
Seat Tube Angle	77deg	77deg	77deg	77deg
Head Tube Length	100mm	115mm	125mm	130mm
Bottom Bracket Drop	36mm	36mm	36mm	36mm
Bottom Bracket Height	336mm	336mm	336mm	336mm
Chainstay Length	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	438.5mm	438.5mm	438.5mm	438.5mm
Front-Center	751.2mm	787.5mm	821.6mm	853.7mm
Front-Center Horizontal	750.3mm	786.6mm	820.9mm	853mm
Wheelbase	1188.8mm	1225.2mm	1259.4mm	1291.5mm
Fork Offset/Rake	44mm	44mm	44mm	44mm
Trail	124.9mm very high	124.9mm very high	124.9mm very high	124.9mm very high
Mechanical Trail	113.2mm	113.2mm	113.2mm	113.2mm
Wheel Flop	47.8mm	47.8mm	47.8mm	47.8mm
Standover Height	674.8mm	687.7mm	692mm	699.2mm
Tire to Pedal Spindle	219.2mm 160 mm cranks	255.5mm 160 mm cranks	289.7mm 160 mm cranks	321.8mm 160 mm cranks
Pedal Spindle to Ground Clearance	176mm 160 mm cranks	176mm 160 mm cranks	176mm 160 mm cranks	176mm 160 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/nz/bikes/2025-rift-zone-el-1#geometry

Geometry