- Lightweight alloy frame for durability
- 27.5-inch wheels for agile handling
- SR Suntour fork with 100mm travel
- Shimano 7-speed drivetrain for smooth shifting
- Mechanical disc brakes for reliable stopping power
The Marin Bolinas Ridge 1 ST Hardtail Mountain Bike is designed for riders seeking a reliable and versatile mountain biking experience. With its lightweight alloy frame and agile 27.5-inch wheels, this bike offers excellent handling on various terrains. The SR Suntour fork provides 100mm of travel, ensuring a smooth ride over bumps, while the Shimano 7-speed drivetrain allows for easy gear changes. Equipped with mechanical disc brakes, this bike delivers dependable stopping power, making it a great choice for both beginners and experienced riders.
| Bottom bracket: | Sealed Cartridge Bearings, Square Taper |
|---|---|
| Brakes: | F: Tektro MDM280 Mechanical Disc, 160mm Rotor | R: Tektro MDM280 Mechanical Disc, 160mm Rotor |
| Brake levers: | Shimano w/ Integrated Shifters |
| Brake type: | Mechanical Disc Brake |
| Cassette: | Shimano, CSHG200, 7-Speed, 11-32T,7 Speed |
| Chain: | KMC Z8 |
| Chainset: | Triple |
| Colour: | Black |
| Crankset: | Alloy Crank, Steel Chainrings, 36/22T |
| Derailleur front: | Shimano FD-TX600 |
| Derailleur rear: | Shimano Tourney, 7-Speed |
| Fork: | SR Suntour XCE Disc, 100mm Travel, Preload Adjustment, 46mm Offset |
| Fork brand: | Suntour |
| Frame: | Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, Chainstay Mounted Disc Brakes |
| Frame material: | Alloy |
| Frame style: | Step-Through |
| Front travel: | 100mm |
| Grip: | Marin MTB, Closed End |
| Grips: | Marin MTB, Closed End |
| Groupset: | Shimano Tourney |
| Groupset brand: | Shimano |
| Handlebar: | Marin 31.8 Riser, 12mm Rise, 780mm Width |
| Handlebars: | Marin 31.8 Riser, 12mm Rise, 780mm Width |
| Handlebar stem: | Marin Alloy, 31.8mm, 45mm |
| Headset: | FSA No.10-P |
| Hubs: | F: Forged Alloy, Disc, 32H | R: Forged Alloy, Disc, 32H |
| Mips rated: | false |
| Pedals: | Nylon Platform |
| Puncture resistant: | false |
| Rim: | Marin, Double Wall Alloy |
| Rims: | Marin, Double Wall Alloy |
| Saddle: | Marin MTB |
| Season: | 2026 |
| Seatpost: | Marin Alloy, 27.2mm |
| Seat post: | Marin Alloy, 27.2mm |
| Shifters: | Shimano Tourney 2x7-Speed |
| Speeds: | 3 x 7 |
| Spokes: | Black Stainless Steel |
| Stem: | Marin Alloy, 31.8mm, 45mm |
| Tubeless ready: | false |
| Tyres: | MTB, 27.5x2.25" |
| Wheel size: | 27.5" (650b) |
Marin Bolinas Ridge Bike Sizing Chart

Marin Bikes are Made For Fun. Since the first mountain bikes bearing the Marin name debuted in 1986, the brand has been dedicated to enriching the lives of riders by making fun, high caliber bicycles, which provide years of riding enjoyment. They operate their business based on hard work, fueled by passion, and fulfilled by the satisfaction of bringing the joy of cycling to riders across the world.
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