Marin San Quentin 20" Kids Dirt Jump Bike Blue/Green

$887
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$1,199.99
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SKU: GDP1JAJJ Sold out

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Key Features
  • Aggressive trail profile for versatile riding
  • Durable Alcatraz dirt jump frame design
  • Slack headtube for stability at speed
  • Modern 1x drivetrain for easy shifting
  • Kids-specific saddle and brake levers
The San Quentin 20 is for the kid looking to do it all, from singletrack to park rides, or just cruising around the neighborhood in style. Built around the same aggressive trail profile as the full-sized San Quentin, and blending the strength and style of Marin’s Alcatraz dirt jump frame, resulting in a bike capable of extended airtime, with trail savvy capabilities, the perfect mash up for modern trail riding. 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 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. Modern 1x drivetrain, just like the larger San Quentins, give the rider the benefits of shifting simplicity and chain retention. While kids specific saddle, and brake levers further tailor the fit to a young rider, maximizing comfort, and control.&nb
Bottom bracket: Sealed Cartridge Bearings, Square Taper
Brakes: Tektro HD-J285 Kid's Specific Hydraulic Disc
Chain: KMC X8
Crankset: Forged Alloy, Narrow Wide 28T, 140mm
Derailleur rear: Shimano Altus
Fork: SR Suntour XCM 24 BOOST, 80mm Travel, Lockout, 110mm Axle Spacing
Frame: Series 2 6061 Aluminum, 20” Wheels, Disc Specific, 135mm Dropouts
Frame size: 12in
Freewheel: Shimano 8-speed, 11-32T
Grip: Marin MTB
Handlebar: Marin Riser, 31.8 clamp, 30mm Rise, 590mm Width
Handlebar stem: Marin Alloy, 35mm
Headset: FSA No. 57E
Hubs: Forged Aluminum, 32H, Disc Specific
Rim: Marin, Double Wall Alloy, 25mm Internal
Saddle: Marin Kids MTB
Season: 2022
Seat post: Marin Alloy, 30.9mm
Shifters: MicroSHIFT TS39, 8-Speed, Thumb-Tap
Spokes: 14g Stainless Steel
Tyres: Vee Tire Crown Gem, 20x2.6”, Wire Bead
Wheel size: 20"
SizeONE SIZE
Stack502.5
Reach310
Headtube Angle65°
Headtube Length90
Seattube Angle75°
Seattube Length308
Toptube Effective444.6
BB Height259
BB Drop10
Chainstay340
Wheelbase912.9
Standover Height534
Fork Offset40
Seatpost Diameter30.9
Handlebar Width590
Stem Length35
Crank Length152

All lengths in millimeters

Kids Bike Sizing Chart

Marin Bikes are Made For Fun. Since the first mountain bikes bearing the Marin name debuted in 1986, the brand has been dedicated to enriching the lives of riders by making fun, high caliber bicycles, which provide years of riding enjoyment. They operate their business based on hard work, fueled by passion, and fulfilled by the satisfaction of bringing the joy of cycling to riders across the world.


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Please note, due to challenges in the product supply chain, bike specifications are subject to change without notice. Specifications listed below may not match exactly as shown in the photo.

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