Marin Bikes Four Corners – Roadbike for Gravel, Adventure, Touring
Touring -Bikepacking - Dedicated Commuting The Four Corners is built for the adventure rider looking to explore deep off of the beaten path, sleep outdoors, and be ready for whatever pavement, dirt road, or light singletrack is around the next corner. The
Touring –Bikepacking – Dedicated Commuting
The Four Corners is built for the adventure rider looking to explore deep off of the beaten path, sleep outdoors, and be ready for whatever pavement, dirt road, or light singletrack is around the next corner. The heads-up bar position and generous braze-ones that make it possible to live on the bike for days at a time are equally at home on the daily commute.
- Wheel Size: 650B, 700C
- Frame: CroMo/Steel
- Size Range: XS, S, M, L, XL
| Size | Rider height range |
|---|---|
| XS(650B) | 4’11” to 5’3″ |
| S(650B) | 5’2″ to 5’6″ |
| M(700C) | 5’6″ to 5’10” |
| L(700C) | 5’10” to 6’1″ |
| XL(700C) | 6’1″ to 6’4″ |
Specifications
- Frame: Utilitour Double Butted CrMo, Size-Specific Wheels (XS, S = 650B, M, L, XL = 700C), Biometric Geometry, Fender and Rack Mounts, Disc Mount
- Fork: CrMo, Fender, Rack, and Bottle Cage Eyelets, IS Disc Mount
- Rims: Marin Aluminum, Double Wall, Disc Specific
- Hub, Rear: Forged Aluminum Alloy, 32H
- Hub, Front: Forged Aluminum Alloy, 32H
- Spoke, Nipples: 14g Black Stainless Steel
- Tires: WTB Resolute, 650B/700Cx42mm, Puncture Protection
- Derailleur, Rear: Shimano Sora 9-Speed
- Derailleur, Front: Shimano Sora
- Shift Lever: Shimano Sora 3×9-Speed
- Crankset: Shimano Sora Hollowtech II, 50/39/30T
- Bottom Bracket: Shimano Hollowtech II
- Chain: KMC X9
- Cassette: Shimano HG-200-9 9-Speed, 11-34T
- Brake, Front: Tektro Spyre-C Road Mechanical Disc, 160mm Rotor
- Brake, Rear: Tektro Spyre-C Road Mechanical Disc, 160mm Rotor
- Brake Levers: Shimano w/ Integrated Shifters
- Handlebar: Marin Butted Alloy, Compact 12 Flared Drop
- Stem: Marin 3D Forged Alloy
- Grips: Marin Comfort Bar Tape, Shock Absorbing Gel Pads
- Headset: FSA No.8D, Sealed Cartridge Bearings
- Seatpost: Marin Alloy, 27.2mm
- Saddle: Marin MTB
- Pedals: Trekking Platform.
Technology
Five Frame Sizes
The Four Corners is available in five frame sizes to fit riders 411 to 64 without compromise. For proper fit and bike handling sizes, XS and S use 650B wheels and 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.
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 CrMo frames specially tuned for loaded touring with upright geometry for comfortable and efficient all-day rides.
Geometry and Size Guide
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| A Stack | 560 | 580 | 617 | 646.3 | 677.6 |
| B Reach | 376.7 | 381 | 403.3 | 412.6 | 426.6 |
| C Headtube Angle | 70.5 | 70.5 | 71.5 | 71.5 | 71.5 |
| D Headtube Length | 177 | 198 | 198 | 229 | 262 |
| E Seattube Angle | 74.5 | 73.5 | 73.5 | 72.5 | 72 |
| F Seattube Length | 381 | 422 | 462 | 495 | 528 |
| G Toptube Effective | 532 | 552.8 | 586.1 | 616.4 | 646.8 |
| H BB Height | 285 | 285 | 285 | 285 | 285 |
| I BB Drop | 53.5 | 53.5 | 72 | 72 | 72 |
| J Chainstay | 432 | 432 | 450 | 450 | 450 |
| K Wheelbase | 1030.4 | 1041.8 | 1081 | 1100 | 1125.1 |
| L Standover Height | 666.55 | 706.38 | 744.53 | 777.26 | 809.8 |
| M Fork Offset | 43 | 43 | 49 | 49 | 49 |
| Seatpost Diameter | 27.2 | 27.2 | 27.2 | 27.2 | 27.2 |
| Handlebar Width | 400 | 400 | 420 | 440 | 440 |
| Stem Length | 70 | 70 | 70 | 70 | 70 |
| Crank Length | 170 | 170 | 175 | 175 | 175 |
All lengths in millimeters
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