- 6061 alloy frame with trail focused geometry
- 100mm travel SR Suntour XCE front fork
- Power CX7 mechanical disc brakes
- 3x7 speed Shimano Tourney drivetrain
- XS, SM and MD fitted with 27.5” wheels
- LG, XL and XXL fitted with 29” wheels
| Bottom bracket: | Sealed Cartridge Bearings, Square Taper |
|---|---|
| Brakes: | Power CX7 Mechanical Disc, Shimano Pad Compatible |
| Brake levers: | Shimano w/ Integrated Shifters |
| Brake type: | Mechanical Disc Brake |
| Cassette: | 7 Speed |
| Chain: | KMC Z-8.3 |
| Chainset: | Triple |
| Crankset: | Alloy Crank, Steel Chainrings, 42/34/24T |
| Derailleur front: | Shimano FD-TX500 |
| Derailleur rear: | Shimano Tourney, 7-Speed |
| Fork: | SR Suntour XCE Disc, 100mm Travel, Preload Adjustment, 46mm Offset |
| Fork brand: | Suntour |
| Fork material: | Alloy |
| Frame: | Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts |
| Frame material: | Alloy |
| Freewheel: | SunRace 7-Speed, 11-34T Cassette |
| Front travel: | 100mm |
| Gender: | Unisex |
| 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: | Forged Alloy, 32H |
| Mips rated: | false |
| Pedals: | Nylon Platform |
| Puncture resistant: | false |
| Rim: | Marin, Double Wall Alloy |
| Rims: | Marin, Double Wall Alloy |
| Rotor front: | 160mm Rotor |
| Rotor rear: | 160mm Rotor |
| Saddle: | Marin MTB |
| Season: | 2022 |
| Seatpost: | Marin Alloy, 27.2mm |
| Seat post: | Marin Alloy, 27.2mm |
| Shifters: | Shimano Tourney 3x7-Speed |
| Speeds: | 3 x 7 |
| Spokes: | 14g Black Stainless Steel |
| Stem: | Marin Alloy, 31.8mm, 45mm |
| Tubeless ready: | false |
| Tyre front: | MTB, 27.5" x 2.25" on sizes XS,SM,MD, 29" x 2.25" on sizes LG,XL,XXL |
| Tyre rear: | MTB, 27.5" x 2.25" on sizes XS,SM,MD, 29" x 2.25" on sizes LG,XL,XXL |
| Use type: | Recreational |
| Wheel size: | 27.5" (650b) |
| XS / 13" | S / 15" | M (27.5) / 17" | M (29) / 17" | L / 19" | XL / 20.5" | XXL / 22" | |
|---|---|---|---|---|---|---|---|
| Stack | 580.8 | 585.5 | 590 | 616 | 620.5 | 625 | 630 |
| Reach | 400 | 415 | 430 | 430 | 445 | 465 | 475 |
| Headtube Angle | 68.5° | 68.5° | 68.5° | 68° | 68° | 68° | 68° |
| Headtube Length | 100 | 105 | 110 | 110 | 115 | 120 | 125 |
| Seattube Angle | 74° | 74° | 74° | 74° | 74° | 74° | 74° |
| Seattube Length | 330 | 381 | 431 | 431 | 481 | 520 | 559 |
| Toptube Effective | 566.5 | 583 | 599.2 | 606.6 | 623 | 644.2 | 655.6 |
| BB Height | 307 | 307 | 307 | 311.5 | 311.5 | 311.5 | 311.5 |
| BB Drop | 48 | 48 | 48 | 61 | 61 | 61 | 61 |
| Chainstay | 430 | 430 | 430 | 455 | 455 | 455 | 455 |
| Wheelbase | 1084.5 | 1101.3 | 1118.2 | 1160 | 1177 | 1199 | 1210 |
| Standover Height | 649.11 | 663.03 | 706.24 | 716.44 | 744.89 | 773.66 | 806.58 |
| Fork Offset | 46 | 46 | 46 | 46 | 46 | 46 | 46 |
| Seatpost Diameter | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 |
| Handlebar Width | 780 | 780 | 780 | 780 | 780 | 780 | 780 |
| Stem Length | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
| Crank Length | 170 | 170 | 175 | 175 | 175 | 175 | 175 |
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.
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