Marin San Quentin 1 Hardtail Mountain Bike – 27.5″, Gray/Black

Description

Marin San Quentin 1 27.5 – Gray-Black – Maximum Fun, Minimum Spend

The Marin San Quentin 1 proves that you don’t need to spend big to ride hard. With a dirt jump–inspired frame, aggressive trail geometry, and a solid spec list, it’s a budget-friendly hardtail that looks and rides like a bike twice the price. From flow trails to techy descents and jump lines, this rig is built to keep the stoke high without breaking the bank.

Built around a Series 2 aluminum frame, the San Quentin 1 features a 130mm SR Suntour XCM34 coil fork, wide 27.5×2.6” Vee Tire Flow Snap rubber, and Tektro hydraulic disc brakes for consistent control and confidence. Whether you’re new to the sport or just want a fun, capable hardtail that punches above its price point, this bike is ready to roll.

Key Features

• Series 2 6061 aluminum frame with internal cable routing and modern trail geometry
• 130mm SR Suntour XCM34 coil fork with bolt-on thru-axle for stability and control
• Wide-range 1×9 microSHIFT drivetrain with clutch-equipped rear derailleur
• Tektro M275 hydraulic disc brakes with 180mm rotors for reliable stopping
• Dirt jump styling meets trail-ready performance
• 27.5 x 2.6” tires offer grip and comfort across loose or rocky terrain
• Looks like a big-budget bike—rides like one too

Full Specifications

Frame & Suspension

• Frame – Series 2 6061 Aluminum, Double Butted, 141mm Open Dropout, 73mm Threaded BB, Internal Cable Routing
• Fork – SR Suntour XCM34, Boost Spacing, 130mm Coil Travel, 15x110mm Bolt-On Thru-Axle

Drivetrain

• Shifter – microSHIFT SL-M9195-R, 1×9
• Rear Derailleur – microSHIFT RD-M9195M, 9-Speed, Clutch Equipped
• Crankset – Marin Forged Alloy, 32T Narrow-Wide Chainring, Boost Spacing
• Bottom Bracket – Sealed Cartridge Bearing, Square Taper
• Cassette – SunRace 9-Speed, 11-46T
• Chain – KMC X-9

Brakes

• Front Brake – Tektro M275 Hydraulic Disc, 180mm Rotor
• Rear Brake – Tektro M275 Hydraulic Disc, 180mm Rotor
• Brake Levers – Tektro M275 Hydraulic

Cockpit

• Handlebar – Marin Mini-Riser, 6061 Double Butted Alloy, 780mm Width, 28mm Rise
• Stem – Marin Alloy, 45mm
• Grips – Marin MTN, Closed-End
• Headset – FSA No.57E, Semi-Sealed Cartridge Bearings

Seatpost & Saddle

• Seatpost – Marin Alloy, 30.9mm
• Saddle – Marin Speed Concept
• Pedals – Marin Oso OE Flat

Wheels & Tires

• Rims – Marin Aluminum Double Wall, 29mm Internal Width, Tubeless Compatible, 32H
• Front Hub – Forged Alloy, 110x15mm, Sealed Cartridge Bearing
• Rear Hub – Forged Alloy, 141mm QR, Quad Sealed Cartridge Bearings
• Spokes – 14g Black Stainless Steel
• Tires – Vee Tire Co. Flow Snap, 27.5 x 2.6”, MPC Compound, Wire Bead

Why You Want This Bike

Because it rides like a ripper, looks like a pro build, and leaves you with money for road trips, park passes, or a burrito and post-ride pint. The San Quentin 1 is for riders who want legit trail performance without blowing the budget. Whether you’re just starting out or just want a no-fuss, all-fun hardtail that’s ready to shred, this is your jam.

Send hard. Spend light. Ride Marin.

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