San Quentin 1 27.5 2026

Marins hardcore hardtail is a mainstay in the Biketart line-up, a best-seller thanks to it's outstanding value for money, unrivalled versatility and awesome looks.

The San Quentin is for the aggressive hardtail trail rider looking for a blend between singletrack capabilities and extended air time. 

SERIES 3 ALUMINUM FRAME: A light and strong alloy frame with advanced tube forming, upgraded dropouts, post mount disc tabs, full internal cable routing, and a boost 148mm thru-axle

DIRT JUMP INSPIRED FRAME STYLE: Taking cues from the Alcatraz, the San Quentin line up provides all the benefits of the DJ style with massive stand over, slick frame tubes, and a sexy paint job.

MODERN TRAIL GEOMETRY: The slack head tube angle paired with a steep seat tube angle create a ride that will fly uphill with perfect front wheel precision but then descend like it’s on rails. The balanced rider position thanks to the steep seat tube puts your weight between the wheels for impressive climbing and handling on flats, while the slack front end and short rear centre help to pull you through the rough descents and corners with an intuitive feel.

SIZING -

• S: 5'2"-5'5"
• M: 5'5"-5'8"

The San Quentin 1 27.5 is only available in size M and S. Please see the 29" wheel version for sizes M, L and XL - HERE

Specifications::San Quentin 1 27.5

• Discipline: Trail/Dirt-Jump

• Material: Aluminium

• Front Travel: 130mm

• Rear Travel: Hardtail

• Wheel Size: 27.5"

• Warranty: 5 Years (frame)

FRAME - All New Series 2 6061 Aluminium, Double Butted Frame, Internal Cable Routing, 141mm Open Dropout, 73mm Threaded BB
FRONT FORK - SR Suntour XCM34 Boost 15x110mm Spacing, 130mm Travel, Coil Spring, 27.5", Bolt-On Thru-Axle
RIMS - Marin Aluminium Double Wall, Disc Specific, 29mm Inner, Pinned Joint, 32H, Tubeless Compatible
HUB, REAR - Forged Alloy, Quad Sealed Cartridge Bearings, Alloy Axle, QR type, 141mm Width, Disc, 32H, Shimano Standard Freehub Body
HUB, FRONT - Forged Alloy, 110x15mm, Sealed Cartridge Bearing, Disc, 32H
SPOKE, NIPPLES - 14g Black Stainless Steel
TIRES - Delium Vesatile, All-Around Construction, 2.5", Wire-Bead Tubeless
REAR MECH - MicroShift RD-M9195M, 9 Speed, With Clutch
SHIFT LEVER - MicroShift SL-M9195-R, 1x9 with Bearings
CRANKSET - Marin Forged Alloy, Integrated Steel 32T Narrow Wide Chainring, Boost Spacing
BB - Sealed Cartridge Bearing, Square Taper
CHAIN - KMC X-9
CASSETTE - Sunrace, 9 Speed, 11-46T
BRAKE, FRONT - Tektro M275 Hydraulic Disc Brake, 180mm Rotor
BRAKE, REAR - Tektro M275 Hydraulic Disc Brake, 180mm Rotor
BRAKE LEVERS - Tektro M275 Hydraulic Disc
HANDLEBAR - Marin Mini-Riser, 6061 Double Butted Aluminium, 780mm Width, 28mm Rise, 5º Up, 9º Back
STEM - Marin Alloy, 45mm
GRIPS - Marin MTN, Closed End
HEADSET - FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
SEATPOST - Marin Alloy, 30.9mm
SADDLE - Marin Speed Concept
PEDAL - Nylon Platform