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- Alloy frame for lightweight durability
- 20" wheels for enhanced stability
- Hydraulic disc brakes for reliable stopping power
- Shimano 8-speed gearing for smooth shifting
- Adjustable fork for customized ride comfort
The Marin San Quentin 20" Kids Mountain Bike in Yellow Fade is designed for young adventurers seeking a reliable and fun ride. With its lightweight alloy frame and 20" wheels, this bike offers stability and control on various terrains. Equipped with hydraulic disc brakes and an 8-speed Shimano gearing system, it ensures a smooth and safe riding experience. The adjustable fork adds comfort, making it perfect for both casual rides and more challenging trails.
Bottom bracket: | Sealed Cartridge Bearings, Square Taper |
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Brakes: | F: Tektro HD-J285 Kid's Specific Hydraulic Disc | R: Tektro HD-J285 Kid's Specific Hydraulic Disc |
Cassette: | Shimano 8-speed, 11-32T |
Chain: | KMC Z8 |
Colour: | Yellow Fade |
Crankset: | Forged Alloy, Narrow Wide 30T, 127mm |
Derailleur rear: | Shimano Altus |
Fork: | Manitou Junit Sport, 20", 80mm Travel, Air Sprung, Adjustable Rebound, Tapered Steerer. 15x110mm Axle |
Frame: | Series 2 6061 Aluminum, 20” Wheels, Disc Specific, 30.9 Post and Dropper Compatible |
Grip: | Marin MTB, Small Diameter |
Handlebar: | Marin Riser, 31.8mm Clamp, 30mm Rise, 580mm Width, 19mm OD Grip Section |
Handlebar stem: | Marin Alloy, 40mm |
Headset: | FSA No. 57E |
Hubs: | F: Forged Aluminum, 32H, Disc Specific | R: Forged Aluminum, 32H, Disc Specific |
Pedals: | Kids Specific Nylon Pedal |
Rim: | Marin, Double Wall Alloy, 26mm Internal, Tubeless Compatible |
Saddle: | Marin One-Piece Saddle/Post Combo, 27.2mm Alloy Post |
Season: | 2026 |
Seat post: | Integrated With Saddle |
Shifters: | Shimano Altus SL-M315, 8-Speed |
Spokes: | 14g Stainless Steel |
Tyres: | Delium Versatile, 20”x2.4”, Light Construction, Wire Bead |

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.