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- Durable 4130 chromoly frame and fork
- microSHIFT Sword 2x9-speed drivetrain
- Tektro Spyre-C mechanical disc brakes
- Six bottle, rack, and fender mounts
The Marin Four Corners 1 is a versatile gravel bike designed for everything from daily commutes to multi-day bikepacking adventures. Its Series 1 4130 CrMo frame and fork provide a smooth, durable ride on asphalt and dirt, while the off-road-ready geometry ensures stability when loaded with gear. The microSHIFT Sword 2x9-speed drivetrain offers reliable shifting, and Tektro Spyre-C mechanical disc brakes deliver confident stopping power in all conditions. With size-specific wheels, generous tire clearance, and ample mounts for racks and bottles, the Four Corners 1 is ready for wherever the road—or trail—takes you.
Bottom bracket: | Square Taper, Sealed Bearing |
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Brakes: | Tektro Spyre-C Road Mechanical Disc, 160mm Rotor |
Cassette: | MicroSHIFT, 9-Speed, 11-38T |
Chain: | KMC X9 |
Colour: | TAN BURGUNDY |
Crankset: | Forged Aluminum, 46-29T |
Derailleur rear: | MicroSHIFT Sword Black, 9-Speed |
Fork: | Series 1 CrMo, Fender, Rack, and Bottle Cage Eyelets, IS Disc Mount |
Frame: | Series 1 CrMo, Size-Specific Wheels (XS, S = 27.5, 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: | Rear Forged Aluminum Alloy, Disc, 32H |
Pedals: | Nylon Platform |
Rim: | Marin Aluminum, Double Wall, Disc Specific |
Saddle: | Marin MTB |
Season: | 2024 |
Seat post: | Marin Alloy, 27.2mm |
Spokes: | 14g Black Stainless Steel |
Tyres: | Vee Tire Co., GPVee, 700/27.5x1.5 |
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" |
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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.