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2011 El Camino Real
Palo Alto, CA 94306
Phone: (650) 853-3000
Open: Mon - Sat 11-7
Sun 11-6
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1090 Folsom St
San Francisco, CA 94103
On-Site Parking
Phone: (415) 934-8000
Open: Mon - Sat 11-7
Sun 11-6
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Marin Rock Springs 1 - 2021

Marin Rock Springs 1
Please select options


The Rock Springs family of mountain bikes are designed for the recreational mountain biker looking to explore the local singletrack or dirt paths. Utilizing our lightweight Series 1 aluminum alloy frames, 100mm travel suspension forks, and reliable Shimano drivetrains, these bikes are capable of tackling real trails and pushing your own boundaries. Size-specific 27.5” or 29” wheels, disc brakes, and 2.25” MTB tires mean comfort, traction, and control through any rough terrain. Get outside and explore with the Marin Rock Springs.


Frame Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes
Fork SR Suntour XCE Disc, 100mm Travel, Preload Adjustment, 46mm Offset
Rims/Wheels Marin Double Wall Alloy
Hubs Forged Alloy, 6-Bolt Disc, 32H
Spokes Stainless Steel, Black, 14g
Tires Schwalbe Smart Sam, K-Guard, 27.5/29x2.25"
Crankset Alloy
Chainrings 24/34/42T
Bottom Bracket Sealed Cartridge
Chain KMC Z8
Front Derailleur Shimano Tourney, TY700
Rear Derailleur Shimano Tourney, TX800, 8-Speed
Cassette Shimano CS-HG200, 11-32T
Shifters Shimano SL-M315 Rapid Fire, 3x8-Speed
Handlebars Marin 31.8 Riser, 20mm Rise, 740mm Width
Grips Entity MTB, Closed End
Stem Marin Alloy, 31.8mm
Brake Levers Tektro M275 Hydraulic Disc
Brakes Tektro M275 Hydraulic Disc, 160mm Rotors
Pedals Nylon Platform
Saddle Entity MTB
Seat Post Alloy, 27.2mm

* Subject to change without notice.

Part Numbers

Option MPN Store SKU
Silver / Medium / 27.5-inch 732957002 732957002
Silver / Medium / 29-inch 732958001 732958001