Bolinas Ridge 2 ST 27.5 2026

The Marin Bolinas Ridge 2 ST 27.5 2026 with its lightweight aluminium frame, trail-ready suspension fork, grippy MTB tyres, and disc brakes, the Bolinas Ridge is built to take you off the beaten path and help you push your limits.

The Bolinas Ridge 2 ST takes things up a notch, offering upgraded components and even more fun on the trails. It features powerful Tektro hydraulic disc brakes, an SR Suntour suspension fork, and a wide-range Shimano 1x8 Essa drivetrain for smooth, reliable shifting.

The new step-through frame design is available in sizes XS to M, paired with 27.5-inch wheels to ensure optimal ergonomics and easy accessibility for every rider.

Sizing: 

• XS: 4'10 - 5'2
• S: 5'2 - 5'5
• M: 5'5 - 5'9

Specifications:

Frame - Series 1 6061 Aluminium, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes
Front Suspension - SR Suntour XCM DS, 100mm Travel, Preload Adjustment, 46mm Offset
Rims - Marin, Double Wall Alloy
Hub Rear - Forged Alloy, Disc, 32H
Hub Front - Forged Alloy, Disc, 32H
Spokes - Black Stainless Steel
Tyres - MTB, 27.5x2.25"
Derailleur Rear - Shimano Essa, 8-Speed
Derailleur Front - n/a
Shift Lever - Shimano Altus 1x8-Speed
Crankset - Alloy Crank, Steel Narrow/Wide Chainring, 32
Bottom Bracket - Sealed Cartridge Bearings, Square Taper
Chain - KMC Z8
Cassette - Shimano 8-Speed, 11-45T
Brakes Front - Tektro M280 Hydraulic Disc, 160mm Rotor
Brakes Rear - Tektro M280 Hydraulic Disc, 160mm Rotor
Brake Levers - Tektro Hydraulic
Handlebar - Marin 31.8 Riser, 12mm Rise, 780mm Width, XS/S models have 740mm Width.
Stem - Marin Alloy, 31.8mm, 45mm
Grips - Marin MTB, Closed End
Headset - FSA No.10-P
Seatpost - Marin Alloy, 27.2mm
Saddle - Marin MTB
Pedals - Nylon Platform