2025 Marin Bikes San Quentin 3
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 140mm fork travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | M | L | XL | |
Stack | 618mm | 622.5mm | 645mm | 650mm |
Reach | 422mm | 450mm | 470mm | 500mm |
Stack to Reach Ratio | 1.46:1 | 1.38:1 | 1.37:1 | 1.3:1 |
Seat Tube Length, Unknown | 310mm | 340mm | 410mm | 420mm |
Top Tube Length, Effective/Horizontal Center | 564.7mm | 593.7mm | 619mm | 650mm |
Top Tube Slope | 32.7deg | 29deg | 23.6deg | 22.1deg |
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 | 324.5mm | 324.5mm | 324.5mm | 324.5mm |
Chainstay Length | 425mm | 425mm | 430mm | 430mm |
Chainstay Length Horizontal | 422.1mm | 422.1mm | 427.1mm | 427.1mm |
Front-Center | 753mm | 783.2mm | 810.5mm | 842.4mm |
Front-Center Horizontal | 751.4mm | 781.6mm | 808.9mm | 840.9mm |
Wheelbase | 1173.4mm | 1203.6mm | 1236mm | 1268mm |
Fork Offset/Rake | 37mm | 37mm | 44mm | 44mm |
Trail | 141.5mm very high | 141.5mm very high | 133.7mm very high | 133.7mm very high |
Mechanical Trail | 127.2mm | 127.2mm | 120.2mm | 120.2mm |
Wheel Flop | 55.8mm | 55.8mm | 52.7mm | 52.7mm |
Standover Height | 627.7mm | 656.4mm | 688mm | 695mm |
Tire to Pedal Spindle | 208.5mm 170 mm cranks | 238.7mm 170 mm cranks | 266mm 170 mm cranks | 297.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 154.5mm 170 mm cranks | 154.5mm 170 mm cranks | 154.5mm 170 mm cranks | 154.5mm 170 mm cranks |
3 Build
S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.5in | 2.5in | 2.5in | 2.5in |
Tire Outer Diameter | 749mm | 749mm | 749mm | 749mm |
Bike Length with Tires | 1922.4mm | 1952.6mm | 1985mm | 2017mm |
Crank Length | 170mm | 170mm | 170mm | 170mm |
Handlebar Width | 780mm | 780mm | 780mm | 780mm |
Stem Length | 35mm | 35mm | 35mm | 35mm |
Stack and Reach vs. Category Trend
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.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Trail MTBSource:https://marinbikes.com/en-gb/products/2024-san-quentin-3-copy#geometry-section