Marin Bolinas Ridge 29er '11. 29ER Series: Big wheels equal big speed and big fun, and Marin's 29er series has a bike to suite every rider. From the all-new race bred carbon CXR 29er, smooth riding Pine Mountain or the bang for the buck Bolinas Ridge 29er, every Marin 29er is designed to elevate your ride. Combining Marin's proprietary 29er geometry with the inherent qualities of larger 29" wheels, every bike offers a stable ride that rolls over roots, rails through corners and rips up climbs.

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Specification:

Frame: 6061 Double Butted Aluminum 29er with Edge 3 OS Top and Down Tubes

Front Suspension: Suntour XCR-LO-29, 100mm Travel with Lockout

Shift Lever Shimano Rapid Fire Plus, 8 Speed

Derailleurs F/R: Altus/Alivio

Brakes: Tektro Novela Mechanical Disc with 6" Rotor

Crankset: TruVativ E300 3.0, 42/32/22

Bottom Bracket: TruVativ with Sealed Cartridge

Cassette: Shimano HG30, 11-34, 8 Speed

Rims: Alex TD-20, Double Wall, 36 Hole Disc