Features
Marin Four Corners 1 Gravel Bike Black
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- Series 1 CrMo frame with Biometric Geometry
- Series 1 CrMo fork, IS Disc Mount
- Fender, Rack, and Bottle Cage Eyelets
- Shimano Sora 3 x 9 Speed Drivetrain
- Tektro Spyre-C Road Mechanical Disc Brakes
- Size-Specific Wheels (XS, S = 650B, M, L, XL = 700C)
- Vee Tire Co 40mm tyres, clearance up to 45mm
Midweek commute, weekend adventures. No problem for the Marin Four Corners, this is a steel-framed explorer that’s as comfortable on the asphalt as it is in the dirt. A high front-end creates all-day comfort and heads-up visibility, off-road-ready geometry means you won’t skip a beat when you head off the asphalt and explore Beyond Road. The butted 4130 CrMo steel frame and fork are designed to be comfortable on rough roads but to also handle fully loaded touring and bikepacking. Marin included six bottle mounts, rack and fender eyelets, lowrider fork mounts, generous tire clearance and disc brakes to set you up for all conditions and all terrain. The Four Corners is available in five frame sizes to fit riders 4’11 to 6’4” without compromise. For proper fit and bike handling sizes XS and S use 650B wheels, sizes M, L, and XL use 700C. Fitted with 40mm wide multi-surface Vee GP tires, the Four Corners is up for wherever your adventures take you, while Shimano's supremely reliable Sora 3x9 drivetrain ensures that you'll always have the right gear ratio. Finally, Tektro Spyre-C mechanical disc brakes deliver controlled braking, even when riding fully loaded.
| Bottom bracket: | Shimano |
|---|---|
| Brakes: | Tektro Spyre-C Road Mechanical Disc, 160mm Rotor |
| Cassette: | Shimano HG200 9-Speed, 11-34T |
| Chain: | KMC X9 |
| Crankset: | Shimano Sora FC3030, 50-39-30T |
| Derailleur rear: | Shimano Sora 9-Speed |
| Fork: | Series 1 CrMo, Fender, Rack, and Bottle Cage Eyelets, IS Disc Mount |
| Frame: | Series 1 CrMo, Size-Specific Wheels (XS, S = 650B, M, L, XL = 700C) , Biometric Geometry, Fender and Rack Mounts, Disc Mount |
| Grip: | Marin Comfort Bar Tape, Shock Absorbing Gel Pads |
| Handlebar: | Marin Butted Alloy, Compact 16º Flared Drop |
| Handlebar stem: | Marin 3D Forged Alloy |
| Headset: | FSA No.8D, Sealed Cartridge Bearings |
| Hubs: | FRONT: Forged Aluminum Alloy, Disc, 32H / REAR: Forged Aluminum Alloy, Disc, 32H |
| Pedals: | Trekking Platform |
| Rim: | Marin Aluminum, Double Wall, Disc Specific |
| Saddle: | Marin MTB |
| Season: | 2024 |
| Seat post: | Marin Alloy, 27.2mm |
| Spokes: | 14g Black Stainless Steel |
| Tyre front: | Vee Tire Co., GPVee, 700/650x40 |
| Tyre rear: | Vee Tire Co., GPVee, 700/650x40 |
| Wheel size: | 29" / 27.5" (Varies by Frame Size) |
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Stack | 560 | 580 | 618 | 648 | 679 |
| Reach | 376.7 | 381 | 403.3 | 412.6 | 426.6 |
| Headtube Angle | 70° | 70° | 71° | 71° | 71° |
| Headtube Length | 167 | 188 | 188 | 209 | 252 |
| Seattube Angle | 74.5° | 73.5° | 73.5° | 72.5° | 72° |
| Seattube Length | 381 | 422 | 462 | 495 | 528 |
| Toptube Effective | 532 | 553 | 586 | 617 | 647 |
| BB Height | 291 | 291 | 288.5 | 288.5 | 288.5 |
| BB Drop | 53.5 | 53.5 | 72 | 72 | 72 |
| Chainstay | 432 | 432 | 450 | 450 | 450 |
| Wheelbase | 1035 | 1047 | 1087 | 1107 | 1132 |
| Standover Height | 668 | 707 | 745 | 777 | 810 |
| Fork Offset | 43 | 43 | 49 | 49 | 49 |
| Seatpost Diameter | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 |
| Handlebar Width | 400 | 400 | 420 | 420 | 440 |
| Stem Length | 70 | 70 | 70 | 70 | 70 |
| Crank Length | 170 | 170 | 175 | 175 | 175 |
All lengths in millimeters
Marin Four Corners Sizing Chart
| Size | Rider height range |
| XS (650B) | 4'11" - 5'3" |
| S (650B) | 5'2" - 5'6" |
| M (700C) | 5'6" - 5'10" |
| L (700C) | 5'10" - 6'1" |
| XL (700C) | 6'1" - 6'5" |
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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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.
