San Quentin 20"
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- Price: £649.00*
- Suspension: SR Suntour XCM 24 BOOST, 80mm Travel, 110mm Axle Spacing
- Wheel Size: 20"
- Frame: Aluminum
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Size Range:
One Size
Size Rider height range ONE SIZE 3'8" to 4'4" - Manufacturer’s suggested retail price may not include additional shipping or preparation charges. Please contact your local Marin dealer for a quote.
We took our Matt Jones-inspired Marin San Quentin and shrunk it down to fit 20” wheels. It's the perfect bike for kids who are ready for their first proper, hardcore hardtail mountain bike.
The Marin San Quentin 20”, just like the big kid’s version, shreds the boundaries of the mountain bike genres - doing it all with a huge splash of big air, speed and style.
Designed with the input of freeride legend Matt Jones, the San Quentin takes the DNA of our dirt-jumping Alcatraz and mutates it into a go-further and faster all-round, hardcore hardtail. The San Quentin 20” will feel just like a ‘grown up’ mountain bike to your little ripper, built with a stout Series 2 aluminum frame, 20” wheels, an SR Suntour XCM suspension fork, 8-speed Shimano drivetrain and kid’s specific hydraulic disc brakes.
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Specifications
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Frame
Series 2 6061 Aluminum, 20” Wheels, Disc Specific, 135mm Dropouts
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Front Suspension
SR Suntour XCM 24 BOOST, 80mm Travel, 110mm Axle Spacing
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Rim
Marin, Double Wall Alloy, 25mm Internal
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Hub Rear
Forged Aluminum, 32H, Disc Specific
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Hub Front
Forged Aluminum, 32H, Disc Specific
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Spokes
14g Stainless Steel
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Tires
Vee Tire Crown Gem, 20x2.6”, Wire Bead
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Derailleur Rear
Shimano Altus
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Derailleur Front
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Shift Lever
Shimano Altus SL-M315, 8-Speed
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Crankset
Forged Alloy, Narrow Wide 30T, 140mm
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Bottom Bracket
Sealed Cartridge Bearings, Square Taper
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Chain
KMC Z8
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Cassette
Shimano 8-speed, 11-32T
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Brakes Front
Tektro HD-J285 Kid's Specific Hydraulic Disc
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Brakes Rear
Tektro HD-J285 Kid's Specific Hydraulic Disc
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Brake Levers
Tektro Kid's Specific Short Reach Lever for Hydraulic Brake
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Handlebar
Marin Riser, 31.8 clamp, 30mm Rise, 590mm Width
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Stem
Marin Alloy, 35mm
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Grips
Marin MTB
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Headset
1-1/8" x 1-1/8" FSA No 10P
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Seatpost
Marin Alloy, 30.9mm
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Saddle
Marin Kids MTB
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Pedals
Kids Specific Nylon Pedal
Specifications, pricing, and availability are subject to change without notice.
Geometry
| ONE SIZE | |
|---|---|
| Stack | 499 |
| Reach | 310 |
| Head Tube Angle | 65° |
| Head Tube Length | 90 |
| Seat Tube Angle | 75° |
| Seat Tube Length | 308 |
| Top Tube Effective | 443.4 |
| BB Height | 260 |
| BB Drop | 10 |
| Chain Stay | 340 |
| Wheel Base | 922 |
| Stand Over Height | 540 |
| Fork Offset | 40 |
| SeatPost Diameter | 30.9 |
| Handlebar Width | 590 |
| Stem Length | 35 |
| Crank Length | 140 |
All lengths in millimeters
Technology
SERIES 2 ALUMINUM FRAME
San Quentin 24” and 20” both feature a Series 2 aluminum frame, with a tapered headtube, 3D forged dropouts, IS brake mounts, semi-internal cable routing and 135mm open dropouts.
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DIRT JUMP INSPIRED FRAME STYLE
Taking cues from the Alcatraz, as well as the full-size San Quentin lineup, the San Quentin 24” and 20” proved all the benefits of DJ style, with massive standover, slick frame tubes, and a hot paint job.
MODERN TRAIL GEOMETRY
A slack headtube angle paired with a steep seat tube angle creates a ride that will fly uphill, yet descend like it’s on rails. The balanced rider position is puts the rider weight between the wheels for steady climbing and handling on flats, while the slack front end helps to add higher speed stability through turns and rough patches.
1X WIDE-RANGE DRIVETRAINS
Modern 1x drivetrains, just like the larger San Quentins, give the rider the benefits of shifting simplicity and chain retention.
