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Marin Bikes | San Quentin 3
Marin Bikes | San Quentin 3
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📏Size Guide
For riders who push hard and demand more from their hardtail, the 2025 Marin San Quentin 3 delivers maximum performance with a premium spec. It’s the top model in the San Quentin lineup, combining aggressive trail geometry, 29” wheels, and high-end components for confident riding on steep descents, technical trails, and everything in between.
The Series 3 aluminum frame is built around a long and slack setup, while the upgraded Marzocchi Z2 Rail fork provides 140mm of smooth, responsive travel. Shimano’s proven SLX 12-speed drivetrain offers crisp shifting and wide gearing, paired with powerful 4-piston SLX brakes for total control in demanding terrain.
Whether it’s bike park laps or big backcountry missions, the San Quentin 3 is built to shred.
Key Features:
• Series 3 Aluminum Frame
Aggressive trail geometry with a dirt jump heritage, internal cable routing, and forged dropouts
• 29” Wheels
Confident rolling over roots, rocks, and drops while maintaining stability at speed
• Marzocchi Z2 Rail Fork (140mm Travel)
Premium trail fork with adjustable rebound and compression for dialed-in control
• Shimano SLX 12-Speed Drivetrain
Wide-range 1x drivetrain with reliable shifting for climbing and descending
