The Bolinas Ridge 2 ST is the upgraded version of the Bolinas, for even more fun and performance. It is equipped with Tektro hydraulic disc brakes, an SR/Suntour suspension fork, and a Shimano Essa 1x8-speed wide-range drivetrain.

This new open frame is only available with 27.5" wheels, from XS to M, for optimal ergonomics.

FEATURES:

• Frame: 6061 series 1 aluminum, 27.5"/29" wheels, low standover height, 68mm bottom bracket, forged 135mm dropouts, disc brakes mounted on the chainstays
• Front suspension: SR Suntour XCM DS, 100 mm travel, preload adjustment, 46mm offset
• Rims: Marin, double-wall alloy
• Rear hub: Forged alloy, disc, 32 holes
• Front hub: Forged alloy, disc, 32 holes
• Spokes: Black stainless steel
• Tires: MTB, 27.5/29 x 2.25"
• Rear derailleur: Shimano Essa, 8 speeds
• Shifters: Shimano Altus 1x8 speeds
• Crankset: Alloy crankset, narrow/wide steel chainrings, 32 teeth
• Bottom bracket: Sealed cartridge bearings, tapered square taper
• Chain: KMC Z8
• Cassette: Shimano 8 speeds, 11-45 teeth
• Front brakes: Tektro M280 hydraulic disc, 160mm rotor
• Rear brakes: Tektro M280 hydraulic disc, 160mm rotor
• Brake levers: Tektro hydraulic
• Handlebar: Marin 31.8 Riser, 12mm rise, 780mm width (740mm for XS/S models)
• Stem: Marin alloy, 31.8mm, 45mm length
• Grips: Marin MTB, closed
• Headset: FSA No.10-P
• Seatpost: Marin alloy, 27.2mm
• Saddle: Marin MTB
• Pedals: Nylon platforms