Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »
Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.
First Free Tune-up
Every bike come with a complimentary free tune-up and safety check. Learn more »
- Lightweight aluminum frame for durability
- 27.5-inch wheels for agile handling
- Front suspension for smooth rides
- 18-speed gear system for versatile terrain
- Disc brakes for reliable stopping power
The Marin Bolinas Ridge 1 Hardtail Mountain Bike is designed for those seeking a reliable and versatile mountain biking experience. Built with a lightweight Series 1 6061 aluminum frame, this bike ensures agility and strength on various terrains. The SR Suntour XCE front suspension with 100mm travel provides a smooth ride over bumps and rough trails, while the 7-speed Shimano drivetrain allows for easy gear changes. Equipped with dependable Clark's mechanical disc brakes, the Bolinas Ridge 1 is perfect for tackling challenging trails or enjoying leisurely rides around the neighborhood.
Bottom bracket: | Sealed Cartridge Bearings, Square Taper |
---|---|
Brakes: | Clark's CMD-23 Mechanical Disc, Shimano Pad Compatible, 160mm Rotor |
Cassette: | Shimano, CSHG200, 7-Speed, 11-32T |
Chain: | KMC Z8 |
Crankset: | Alloy Crank, Steel Chainrings, 42/34/24T |
Derailleur rear: | Shimano Tourney, 7-Speed |
Fork: | SR Suntour XCE Disc, 100mm Travel, Preload Adjustment, 46mm Offset |
Frame: | Series 1 6061 Aluminum, 27.5 |
Grip: | Marin MTB, Closed End |
Handlebar: | Marin 31.8 Riser, 12mm Rise, 780mm Width |
Handlebar stem: | Marin Alloy, 31.8mm, 45mm |
Headset: | FSA No.10-P |
Hubs: | Forged Alloy, Disc, 32H |
Pedals: | Nylon Platform |
Rim: | Marin, Double Wall Alloy |
Saddle: | Marin MTB |
Season: | 2025 |
Seat post: | Marin Alloy, 27.2mm |
Spokes: | Black Stainless Steel |
Tyres: | MTB, 27.5 or 29 x 2.25" |
Wheel size: | 29" / 27.5" (Varies by Frame Size) |
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.
Click & Collect Available
• In-stock items usually ready in 4 hours* • Online Only items usually ready in 1-3 working days More info »
Courier Delivery Available
• $9.99 for orders $99 & under • Free for orders over $99 • Bulky shipping fees apply for bikes & bulky items based on item weight More info »
Please note, due to challenges in the product supply chain, bike specifications are subject to change without notice. Specifications listed below may not match exactly as shown in the photo.