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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.
- Lightweight Series 1 Alloy Frame
- Shimano Altus 3x8 speed drivetrain
- SR Suntour XCE fork with preload adjustment
- Alhonbga hydraulic disc brakes
- 27.5” wheels with 2.1” mixed terrain tyres
Axles: | Quick Release |
---|---|
Bottom bracket: | Sealed Cartridge Bearings, Square Taper |
Brakes: | Alhonga HJ-OD07, Hydraulic Disc, 160mm Rotor, Shimano M515 Pad Compatible |
Chain: | KMC Z-7 |
Crankset: | Forged Aluminum, 42x34x24T, 170mm |
Derailleur rear: | Shimano RD-TX800, 8-Speed |
Fork: | SR Suntour XCE, 100mm Travel, Preload Adjustment |
Frame: | Series 1 6061 Aluminum, 27.5” Wheels, 68mm BB shell, 135mm Forged Dropouts, Disc Brake |
Freewheel: | Shimano Altus CS-HG200, 11-32T, 8 Speed Cassette |
Grip: | Entity MTB |
Handlebar: | Alloy, 20mm rise, 740mm wide |
Handlebar stem: | Alloy, 45mm |
Headset: | Zero Stack (ZS) Threadless, ZS 44/28.6, 44/30 |
Hubs: | QR Alloy Hubs |
Pedals: | Flat Platform (Included) |
Rim: | Double-Wall Alloy Rims 32H |
Saddle: | Entity MTB |
Seat post: | Alloy, 27.2mm |
Spokes: | Stainless Steel |
Tyre front: | MTB, 27.5 x 2.1" |
Tyre rear: | MTB, 27.5 x 2.1" |
Wheel size: | 27.5" (650b) |
S | M | L | |
---|---|---|---|
Frame Size (inch) | 16" | 18" | 20" |
Stack | 610 | 610 | 650 |
Reach | 383.5 | 398.5 | 417 |
Headtube Angle | 69° | 69° | 69° |
Headtube Length | 100 | 100 | 105 |
Seattube Angle | 73° | 73° | 73° |
Seattube Length | 406 | 456 | 506 |
Toptube Effective | 570 | 585 | 605 |
BB Height | 299 | 299 | 299 |
BB Drop | 47 | 47 | 47 |
Chainstay | 430 | 430 | 430 |
Wheelbase | 1072 | 1087 | 1107 |
Standover Height | 713 | 753 | 793 |
Fork Offset | 46 | 46 | 46 |
Seatpost Diameter | 27.2 | 27.2 | 27.2 |
Handlebar Width | 740 | 740 | 740 |
Stem Length | 45 | 45 | 45 |
Crank Length | 170 | 170 | 170 |
All lengths in millimeters
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.