Marin Bolinas Ridge 1 ST 27.5 W is a lightweight and durable women's MTB bike featuring a step-thru aluminium frame, a suspension fork, and grippy tyres. Mechanical disc brakes and a stable geometry ensure comfort, control, and enjoyment while riding off-road.
Basic data
Frame
Components
Drive
Brakes
Wheels
Additional information
Warnings and producer's data
Women's mountain bike Marin Bolinas Ridge 1 ST 27.5 W black/green (740138003)
Marin Bolinas Ridge 1 ST 27.5 W Women's Mountain Bike in Black/Green is an excellent choice for women who love off-road cycling. Featuring a Series 1 6061 aluminium frame, it offers lightness and durability, making it easy to manoeuvre on uneven terrain. Thanks to the front suspension with a SR Suntour XCE Disc fork, the bike handles bumps excellently, providing a comfortable ride on trails.
Precision and Control
Marin Bolinas Ridge 1 ST 27.5 W Women's Mountain Bike in Black/Green guarantees precision and control with its 14-speed Shimano Tourney gear system. Mechanical Tektro MDM280 disc brakes ensure effective stopping power in all conditions. Marin MTB grips and a 780 mm wide handlebar provide comfort and confidence even on challenging trails.
Comfort and Durability
Marin Bolinas Ridge 1 ST 27.5 W Women's Mountain Bike in Black/Green has been designed with user comfort in mind. The Marin MTB saddle and aluminium seat post guarantee comfort during long rides. Marin double-wall alloy wheels offer durability and stability on various surfaces. The MTB tires measuring 27.5 x 2.25” provide excellent grip on the trail.
Robustness and Reliability
Marin Bolinas Ridge 1 ST 27.5 W Women's Mountain Bike in Black/Green is synonymous with robustness and reliability. Its construction, based on forged aluminium hubs and corrosion-resistant steel spokes, makes the bike resistant to various weather conditions. The crankset with steel chainrings and KMC Z8 chain ensures smooth and reliable operation in any situation.
Features of Marin Bolinas Ridge 1 ST 27.5 W Women's Mountain Bike:
- Front suspension with SR Suntour XCE Disc fork with 100 mm travel and preload adjustment;
- Series 1 6061 aluminium frame providing lightness and durability;
- Mechanical Tektro MDM280 disc brakes for effective stopping;
- 14-speed Shimano Tourney gear system for precise shifting;
- Marin 31.8 Riser handlebar, 780 mm wide, for comfortable handling;
- Marin double-wall alloy wheels for increased durability;
- 27.5x2.25” MTB tires offering excellent grip;
- Forged aluminium hubs and corrosion-resistant steel spokes for increased weather resistance;
- Crankset with aluminium body and steel chainrings for smooth operation;
- Marin MTB saddle for comfort during long journeys.
Product Details

Aluminium frame Series 1 6061
The Series 1 6061 aluminium frame stands out with a design optimised for demanding trails. The use of this alloy translates to structural solidity without overly burdening the bike. When overcoming obstacles and during dynamic descents, the frame supports precise handling and effective use of the force applied to pedalling.

Front suspension SR Suntour XCE Disc
The SR Suntour XCE Disc front fork with 100mm of travel dynamically responds to obstacles encountered during off-road riding. The preload adjustment allows for the tuning of the suspension performance to the individual preferences and weight of the cyclist. When tackling bumps, the system dampens vibrations, supporting the smoothness of movement on demanding trails.

Tektro MDM280 mechanical disc brakes
Tektro MDM280 mechanical disc brakes respond instantly to every pull of the lever, ensuring effective speed reduction during dynamic riding. The transfer of force occurs through a mechanical system that activates the disc and initiates the braking process. Even when passing through mud, rain, or sand, the full functionality of this solution in the field is maintained.
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Women's mountain bike Marin Bolinas Ridge 1 ST 27.5 W black/green
Women's mountain bike Marin Bolinas Ridge 1 ST 27.5 W black/green
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