The Marin San Quentin 1 2026 Hardtail Mountain Bike is a seriously capable trail bike that delivers aggressive hardtail performance without the premium price tag. Finished in a sleek Black Grey Fade, the San Quentin 1 combines modern geometry, dependable components and confidence-inspiring handling to create a mountain bike that's ready for everything from technical singletrack and steep descents to everyday trail riding.
Designed for riders who want a hardcore hardtail mountain bike without spending a fortune, the San Quentin 1 features a lightweight Series 2 6061 aluminium frame with internal cable routing, Boost spacing and compatibility with either 27.5" or 29" wheels depending on frame size. Its aggressive trail-focused design gives the bike a confident, planted feel when the terrain gets rough.
Up front, an SR Suntour XCM34 Boost suspension fork provides 130mm of coil-sprung travel, helping absorb rocks, roots and rough trail sections while the 15x110mm Boost thru-axle adds stiffness and precise steering. Paired with wide 2.5" Delium Vesatile tyres, the San Quentin 1 offers plenty of grip and control when you're pushing hard on the trails.
The Tektro M275 hydraulic disc brakes feature 180mm rotors front and rear, providing reliable stopping power and control on steep and technical terrain. The simple and dependable 1x9-speed MicroSHIFT drivetrain uses a wide-range 11-46T SunRace cassette and a 32T narrow-wide chainring, giving you the gearing range needed for challenging climbs and fast trail riding.
Marin has also equipped the San Quentin 1 with a selection of quality finishing components, including a wide 780mm Mini-Riser handlebar, short 45mm stem, Marin alloy seatpost and tubeless-compatible 29mm internal-width aluminium rims.
Whether you're progressing your skills, hitting local trails or looking for a fun and reliable hardtail mountain bike for trail riding, the Marin San Quentin 1 offers an impressive combination of performance, durability and value.
Key Features
- Series 2 6061 aluminium hardtail frame
- 27.5" or 29" wheel compatibility, depending on frame size
- SR Suntour XCM34 Boost fork with 130mm travel
- 15x110mm Boost bolt-on thru-axle
- MicroSHIFT 1x9-speed drivetrain
- SunRace 11-46T wide-range cassette
- Marin 32T narrow-wide chainring
- Tektro M275 hydraulic disc brakes
- 180mm front and rear brake rotors
- Delium Vesatile 2.5" tyres
- Tubeless-compatible Marin aluminium rims
- 780mm Marin Mini-Riser handlebar
- 45mm Marin alloy stem
- Internal cable routing
- Black Grey Fade finish
Marin San Quentin 1 2026 Specification
Frame: Series 2 6061 Aluminium, Double Butted, Internal Cable Routing, 141mm Open Dropout, 73mm Threaded BB
Fork: SR Suntour XCM34 Boost, 15x110mm, 130mm Travel, Coil Spring
Rear Derailleur: MicroSHIFT RD-M9195M, 9-Speed, Clutch
Shifter: MicroSHIFT SL-M6195-R, 1x9
Cassette: SunRace, 9-Speed, 11-46T
Chain: KMC X-9
Crankset: Marin Forged Alloy, Integrated Steel 32T Narrow Wide, Boost Spacing
Front Brake: Tektro M275 Hydraulic, 180mm Rotor
Rear Brake: Tektro M275 Hydraulic, 180mm Rotor
Front Hub: Forged Alloy, 110x15mm, Sealed Cartridge Bearing, 32H
Rear Hub: Forged Alloy, 141mm, Quad Sealed Cartridge Bearings, QR
Rims: Marin Aluminium Double Wall, 29mm Internal Width, Tubeless Compatible
Tyres: Delium Vesatile, 2.5", Wire Bead, Tubeless
Handlebar: Marin Mini-Riser, 6061 Double Butted Aluminium, 780mm, 28mm Rise
Stem: Marin 3D Forged Alloy, 45mm
Seatpost: Marin Alloy, 30.9mm
Saddle: Marin Speed Concept
Grips: Marin MTN, Closed End
Headset: FSA No. 57E, Semi-Sealed Cartridge Bearings
Pedals: Marin MTB Plastic
Marin San Quentin 1 2026 at The Rolling Fix
The Marin San Quentin 1 2026 is an excellent choice for riders looking for a fun, aggressive and affordable hardtail mountain bike. With its modern aluminium frame, 130mm suspension fork, hydraulic disc brakes, wide-range 1x9 gearing and grippy 2.5" tyres, it's built to get out on the trails and have some serious fun.
Shop the Marin San Quentin 1 2026 Hardtail Mountain Bike in Black Grey Fade from The Rolling Fix, an independent bicycle shop based in Liverpool, and get your next trail adventure started.
Specification
Brake, Front: Tektro M275 Hydraulic, 180mm Rotor
Brake, Rear: Tektro M275 Hydraulic, 180mm Rotor
Brake Levers: Tektro M275
Cassette: Sunrace, 9 Speed, 11-46T
Chain: KMC X-9
Crankset: Marin Forged Alloy, Integrated Steel 32t Narrow Wide Changing, Boost Spacing
Frame: Series 2 6061 Aluminum 27.5 or 29" Wheel, Double Butted, Internal Cable Routing, 141mm Open Dropout, 73mm Threaded BB
Grip: Marin MTN, Closed End
Handlebar: Marin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back
Headset: FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
Hub, Front: Forged Alloy, 110x15mm, Sealed Cartridge Bearing, 32H
Hub, Rear: Forged Alloy, Quad Sealed Cartridge Bearings, Alloy Axle, QR type, 141mm Width, 32H, Shimano Standard Freehub Body
Pedals: Marin MTB Plastic
Rims: Marin Aluminum Double Wall, Specific, 29mm Inner, Pinned Joint, 32H, Tubeless Compatible
Saddle: Marin Speed Concept
Seatpost: Marin Alloy, 30.9mm
Shift Lever: MicroShift SL-M6195-R, 1x9 with Bearings
Stem: Marin 3D Forged Alloy, 45mm
Tires: Delium Vesatile, All-Around Construction, 2.5", Wire-Bead Tubeless
Derailleur, Rear: MicroShift RD-M9195M, 9 Speed, With Clutch
Front Suspension: SR Suntour XCM34 Boost 15x110mm Spacing, 130mm Travel, Coil Spring, 27.5", Bolt-On Thru-Axle