The perfect mix of performance, value, and fun, the Marin Bolinas Ridge 1 27.5 2026 is ideal for new mountain bikers or anyone looking for a reliable, low-maintenance, and affordable way to explore off-road trails.

The Bolinas Ridge 1 delivers unbeatable value within the Bolinas range, packing plenty of performance into an affordable package. It features powerful Clark’s mechanical disc brakes, a responsive SR Suntour suspension fork, and durable, grippy off-road tires—everything you need to hit the trails with confidence and start pushing your limits.

Sizing:

• XS - 4'10" to 5'2"
• S - 5'2" to 5'5"
• M - 5'5" to 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 XCE Disc, 100mm Travel, Preload Adjustment, 46mm Offset
Rim - Marin, Double Wall Alloy
Hub Rear - Forged Alloy, Disc, 32H
Hub Front - Forged Alloy, Disc, 32H
Spokes - Black Stainless Steel
Tyres - MTB, 27.5/29x2.25"
Derailleur Rear - Shimano Tourney, 7-Speed
Derailleur Front - Shimano FD-TX600
Shift Lever - Shimano Tourney 2x7-Speed
Crankset - Alloy Crank, Steel Chainrings, 36/22T
Bottom Bracket - Sealed Cartridge Bearings, Square Taper
Chain - KMC Z8
Cassette - Shimano, CSHG200, 7-Speed, 11-32T
Brakes Front - Tektro MDM280 Mechanical Disc, 160mm Rotor
Brakes Rear - Tektro MDM280 Mechanical Disc, 160mm Rotor
Brake Levers - Shimano w/ Integrated Shifters
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