MARIN FOUR CORNERS 1 700C – MICROSHIFT SWORD 2X9

The Marin Four Corners 1 is a steel-framed adventure bike built for bikepacking, touring, and commuting. Whether you’re tackling midweek commutes or multi-day expeditions, the Four Corners 1 is designed to handle it all with comfort, durability, and versatility. Featuring a butted 4130 CrMo frame and fork, a 2×9 MicroShift Sword drivetrain, and plentiful gear mounts, this bike is ready for any terrain and any adventure.

KEY FEATURES

Series 1 CrMo Steel Frame & Fork Durable and smooth-riding, tuned for loaded touring and all-day comfort.
MicroShift Sword 2×9 Drivetrain Wide 46/29T chainrings and 11-38T cassette for optimized touring and gravel performance.
Size-Specific Wheel Sizing XS and S use 650B wheels, while M, L, and XL use 700C for proper handling across all sizes.
Disc Brakes for All-Condition Stopping Power Tektro Spyre-C mechanical disc brakes with 160mm rotors ensure consistent braking performance.
Plentiful Gear Mounts Six bottle cage mounts, rack and fender mounts, and lowrider fork mounts for maximum carrying capacity.
Generous Tire Clearance Fits up to 45mm tires for enhanced traction and comfort.
Tall Headtube Design Improves rider visibility and comfort, while allowing for larger frame bags.
Dropper Post Compatible Internal routing option for a dropper post upgrade.

SPECIFICATIONS

FRAME & FORK

Frame: Series 1 CrMo Steel, Size-Specific Wheels (XS, S = 650B, M, L, XL = 700C), Fender & Rack Mounts, Plentiful Gear Mounts
Fork: Series 1 CrMo Steel, Fender, Rack & Bottle Cage Eyelets, IS Disc Mount

DRIVETRAIN

Crankset: Forged Aluminum, 46/29T
Bottom Bracket: Square Taper, Sealed Bearing
Cassette: MicroShift, 9-Speed, 11-38T
Rear Derailleur: MicroShift Sword Black, 9-Speed
Front Derailleur: MicroShift Sword Black
Shifters: MicroShift Sword Black, 2×9-Speed
Chain: KMC X9

BRAKES

Brakes: Tektro Spyre-C Road Mechanical Disc
Rotors: 160mm (Front & Rear)

WHEELS & TIRES

Rims: Marin Aluminum, Double Wall, Disc Specific
Hubs: Forged Aluminum Alloy, 32H, Disc
Spokes: 14g Black Stainless Steel
Tires: Vee Tire Co. Quickstyx, 700/650×45

COCKPIT & COMPONENTS

Handlebar: Marin Butted Alloy, Compact 16 Flared Drop
Stem: Marin 3D Forged Alloy
Grips: Marin Comfort Bar Tape w/ Shock Absorbing Gel Pads
Headset: FSA No.8D, Sealed Cartridge Bearings
Seatpost: Marin Alloy, 27.2mm
Saddle: Marin MTB
Pedals: Nylon Platform

SIZES: XS, S (650B) / M, L, XL (700C)

A must-have for touring enthusiasts, bikepackers, and commuters, the Marin Four Corners 1 offers steel-frame durability, a reliable drivetrain, and exceptional carrying capacity, making it the perfect companion for any adventure.