The Bolinas Ridge series is perfectly suited for recreational riders wishing to explore singletrack and dirt trails with a mountain bike built for real trails. The Bolinas Ridge 1 is built around a Series 1 6061 aluminum frame with a replaceable derailleur hanger and an integrated headset. Spec’d with a trail munching 100mm travel SR Suntour XCE suspension fork, all-conditions low maintenance Power CX7 mechanical disc brakes, durable double wall rims, serviceable cassette freehubs and a trail proven 3x7 speed Shimano Tourney drivetrain. The Bolinas Ridge has a growing wheel size for the best fit and performance for all rider heights, with sizes XS, SM and MD fitted with 27.5” wheels and 29” platforms on sizes L, XL, and XXL.