Ready to give your young rider the thrill of their first hardcore mountain bike? The Marin San Quentin 20” Hardtail is expertly designed for kids who want to shred trails with style, speed, and confidence. Inspired by freeride legend Matt Jones, this mini mountain bike brings big-kid mountain bike performance to the next generation.
Built with a durable Series 2 6061 aluminum frame and 20” wheels, the San Quentin 20” offers a lightweight yet tough ride for your child. It features a reliable SR Suntour XCM suspension fork with 80mm travel to soak up bumps on rough terrain, while the 8-speed Shimano Altus drivetrain ensures smooth and simple gear changes, perfect for young riders mastering mountain biking skills.
Safety and control are paramount, with kid-specific hydraulic disc brakes from Tektro providing strong, consistent stopping power in all conditions. The frame’s modern trail geometry balances agility and stability, making climbing hills and descending technical trails fun and manageable.
Key Features:
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Lightweight and durable Series 2 aluminum frame with sleek dirt-jump inspired styling
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20” wheels with wide Vee Tire Crown Gem tires for traction on varied surfaces
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Smooth-shifting Shimano Altus 8-speed drivetrain for versatile trail riding
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SR Suntour XCM suspension fork with 80mm travel for absorbing trail impacts
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Hydraulic disc brakes tailored for kids ensure confident, safe braking
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Designed with input from freeride pro Matt Jones, combining speed, style, and durability
Whether hitting Liverpool’s local trails or exploring parks, the Marin San Quentin 20” is the perfect first mountain bike for young riders ready to take their off-road skills to the next level. Available now at The Rolling Fix – Liverpool’s trusted bike store for quality children’s mountain bikes.
Specifications
Frame: Series 2 6061 Aluminum, 20” Wheels, Disc Specific, 135mm Dropouts
Front Suspension: SR Suntour XCM 24 BOOST, 80mm Travel, 110mm Axle Spacing
Rim: Marin, Double Wall Alloy, 25mm Internal
Hub Rear: Forged Aluminum, 32H, Disc Specific
Hub Front: Forged Aluminum, 32H, Disc Specific
Spokes: 14g Stainless Steel
Tires: Vee Tire Crown Gem, 20x2.6”, Wire Bead
Derailleur Rear: Shimano Altus
Shift Lever: Shimano Altus SL-M315, 8-Speed
Crankset: Forged Alloy, Narrow Wide 30T, 140mm
Bottom Bracket: Sealed Cartridge Bearings, Square Taper
Chain: KMC Z8
Cassette: Shimano 8-speed, 11-32T
Brakes Front: Tektro HD-J285 Kid's Specific Hydraulic Disc
Brakes Rear: Tektro HD-J285 Kid's Specific Hydraulic Disc
Brake Levers: Tektro Kid's Specific Short Reach Lever for Hydraulic Brake
Handlebar: Marin Riser, 31.8 clamp, 30mm Rise, 590mm Width
Stem: Marin Alloy, 35mm
Grips: Marin MTB
Headset: 1-1/8" x 1-1/8" FSA No 10P
Seatpost: Marin Alloy, 30.9mm
Saddle: Marin Kids MTB
Pedals: Kids Specific Nylon Pedal
