Marin Four Corners 2 – Built for the Long Haul
The Marin Four Corners 2 is your steel-framed ticket to adventure. Designed with comfort, utility, and versatility in mind, it’s made to carry you through big commutes, long tours, and everything in between. With SRAM's 1x12 gearing, hydraulic brakes, and generous tire clearance, it’s ready for the road less travelled—whether that’s a winding gravel track or your everyday ride to work.
Why You’ll Love It
-
Steel is real – Series 3 CrMo frame delivers unmatched durability and a supple, confidence-inspiring ride.
-
Go further – Wide 10–52T gear range, tubeless-ready 44mm tires, and mounts galore for bottles, bags, and racks.
-
All-weather capable – Full fender and rack mounts plus reliable SRAM Apex 1 hydraulic brakes.
-
Size-specific wheels – 650B for XS–S, 700C for M–XL for optimized fit and handling across all sizes.
Specifications
FRAME
Series 3 Double Butted CrMo, Biometric Geometry, Size-Specific Wheels (XS/S = 650B, M–XL = 700C), Fender & Rack Mounts, 142x12mm Thru-Axle, Flat Mount Disc, Plentiful Gear Mounts
FORK
Series 3 CrMo, 100x12mm Thru-Axle, Flat Mount Disc, Fender, Rack & Bottle Cage Eyelets
RIMS
Marin Aluminum Double Wall, 25mm Inner Width, Tubeless-Compatible
HUBS
Forged Aluminum Alloy, Disc, 32H (Front & Rear)
SPOKES
14g Black Stainless Steel
TIRES
Vee Tire Co. Rocket Man 650/700 x 44, Tubeless-Compatible
REAR DERAILLEUR
SRAM Apex 1, 12-Speed
SHIFT LEVER
SRAM Apex 1, 1x12-Speed
CRANKSET
SRAM Apex 1, 40T
BOTTOM BRACKET
SRAM DUB BSA
CASSETTE
SRAM CS-XG-1275, 10–52T
CHAIN
SRAM NX
BRAKES
SRAM Apex 1 Flat-Mount Hydraulic Disc, 160mm Rotors (Front & Rear)
BRAKE LEVERS
SRAM Apex 1 Hydraulic
HANDLEBAR
Marin Butted Alloy, Compact 16° Flared Drop
STEM
Marin 3D Forged Alloy
GRIPS
Marin Comfort Tape
HEADSET
FSA No.42/ACB
SEATPOST
Marin Alloy, 27.2mm
SADDLE
Marin Beyond Road Concept
PEDALS
Marin Oso OEM Nylon Platform
EXTRAS
Bolt-On Thru-Axles Front & Rear
Built for multi-day touring, gear-hauling commutes, and gravel escapes alike, the Four Corners 2 is ready for whatever road—or trail—you take next.
| Size | XS | S | M | L | XL |
|---|---|---|---|---|---|
| A Stack | 560mm | 580mm | 618mm | 648mm | 679mm |
| B Reach | 376.7mm | 381mm | 403.3mm | 412.6mm | 426.6mm |
| C Headtube Angle | 70° | 70° | 71° | 71° | 71° |
| D Headtube Length | 167mm | 188mm | 188mm | 209mm | 252mm |
| E Seattube Angle | 74.5° | 73.5° | 73.5° | 72.5° | 72° |
| F Seattube Length | 381mm | 422mm | 462mm | 495mm | 528mm |
| G Toptube Effective | 532mm | 553mm | 586mm | 617mm | 647mm |
| H BB Height | 291mm | 291mm | 288.5mm | 288.5mm | 288.5mm |
| I BB Drop | 53.5mm | 53.5mm | 72mm | 72mm | 72mm |
| J Chainstay | 432mm | 432mm | 450mm | 450mm | 450mm |
| K Wheelbase | 1035mm | 1047mm | 1087mm | 1107mm | 1132mm |
| L Standover Height | 668mm | 707mm | 745mm | 777mm | 810mm |
| M Fork Offset | 43mm | 43mm | 49mm | 49mm | 49mm |
| Seatpost Diameter | 27.2mm | 27.2mm | 27.2mm | 27.2mm | 27.2mm |
| Handlebar Width | 440mm | 440mm | 460mm | 460mm | 460mm |
| Stem Length | 70mm | 70mm | 70mm | 70mm | 70mm |
| Crank Length | 170mm | 170mm | 170mm | 175mm | 175mm |
All lengths in millimeters.
Custom Builds
Get Inspired
Feast your eyes on our Custom Build Gallery - every bike spec’d and built in the Bicycle Junction Workshop. From pinstriped cargo bikes for breweries to ground-up world tour machines, we’ve done it all.
Click below for inspiration, and get in touch to start building your own dream bike.