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Marin Four Corners 1 Sword 2025 Bike

 
 
More Information
Brand Marin
Suitable for Everyone

Marin County California is regarded as the birthplace of mountain biking. With niche communities back then shaping what it is today, and with Marin Bikes' inception coming shortly after, the company has deep roots in the sport and now offers many styles of bikes to suit off-roaders and commuters alike.

Marin Four Corners 1 Sword 2025 Bike
Marin Four Corners 1 Sword 2025 Bike Marin Four Corners 1 Sword 2025 Bike

Midweek commute or weekend adventures? A three day audax or a 12 month round the world tour? The Four Corners 1 now comes with a fresh 2 x 9 MicroShift Sword drivetrain offering improved reliability and a wider range of useable gears. The butted 4130 CroMo steel frame and fork are designed to be comfortable on rough roads but to also handle fully loaded touring and bike packing. We've included six bottle mounts, rack and fender eyelets, lowrider fork mounts, generous tyre clearance and disc brakes to set you up for all conditions and all terrain.

Whatever you choose is no problem for the Marin Four Corners, our steel-framed explorer that's as comfortable on the asphalt as it is in the dirt.

Life is about the journey, not the destination, and that's what the Four Corners is here for.

Technologies

  • Five Frame Sizes: 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.
  • Bottle / Gear Mounts: Fork leg bottle or accessory cage mounts on the base Four Corners, along with traditional front triangle bottle mounts (three on sizes M-XL, two on XS-S) provide up to six bottle cage mounts total.
  • Tall Headtubes: The Four Corners is built around a tall headtube, allowing for more frame carrying capacity (larger bags), great rider visibility for taking in the sights, as well as the ability to utilize the multiple positions on the drop bars for all-day comfort.
  • Disc Brakes: Disc brakes provide smooth, controlled stopping in all conditions with minimal maintenance.
  • Steel Is Real: The Four Corners uses butted and formed Series 1 4130 Chromoly frames specially tuned for loaded touring with upright geometry for comfortable and efficient all-day rides.
  • Generous Tyre Clearance: The Four Corners 1 can accommodate tyres up to 45mm wide.
  • Dropper Post Compatible: The Four Corners offers a port on the lower part of the seat tube, allowing the installation of an aftermarket dropper post. Droppers are great at adding clearance when riding technical trails, or for simply putting a foot down while stopped at a light.

Specification

Frame and Forks

  • Frame: Series 1 CrMo, Size-Specific Wheels (XS, S = 650B, M, L, XL = 700C) , Biometric Geometry, Fender And Rack Mounts, Disc Mount, Plentiful Gear Mounts (Custom Bag Templates Here)
  • Forks: Series 1 CrMo, Fender, Rack, And Bottle Cage Eyelets, IS Disc Moun Tooth
  • Headset: FSA No.8D, Sealed Cartridge Bearings

Drivetrain

  • Crankset: Forged Aluminum, 46-29 Tooth
  • Bottom Bracket: Square Taper, Sealed Bearing
  • Rear Derailleur: MicroSHIFT Sword Black, 9-Speed
  • Front Derailleur: MicroSHIFT Sword Black
  • Cassette: MicroSHIFT, 9-Speed, 11-38 Tooth
  • Chain: KMC x 9

Braking/Shifting

  • Shifters: MicroSHIFT Sword Black, 2 x 9-Speed
  • Front Brake: Tektro Spyre-C Road Mechanical Disc, 160mm Rotor
  • Rear Brake: Tektro Spyre-C Road Mechanical Disc, 160mm Rotor
  • Brake Levers: MicroSHIFT Sword with Integrated Shifters

Wheels

  • Rims: Marin Aluminum, Double Wall, Disc Specific
  • Front Hub: Forged Aluminium Alloy, Disc, 32 Hole
  • Rear Hub: Forged Aluminium Alloy, Disc, 32 Hole
  • Spokes: 14 Gauge Black Stainless Steel

Finishing Kit

  • Handlebars: Marin Butted Alloy, Compact 16º Flared Drop
  • Grips: Marin Comfort Bar Tape, Shock Absorbing Gel Pads
  • Stem: Marin 3D Forged Alloy
  • Seatpost: Marin Alloy, 27.2mm
  • Saddle: Marin MTB
  • Pedals: Nylon Platform