Marin
Four Corners 12024
Wheel size
650B on XS-S; 700c on M-XL
Sizes
5
What it can carry
Mount provision and clearance, as Marin publishes it.
Geometry
All figures in millimetres except angles. Effective top tube and seat tube are the two that decide frame bag fit.
| Size | Eff. top tube | Seat tube | Standover | Head tube | Stack | Reach | Chainstay | Wheelbase | BB drop | Head angle | Seat angle |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 532 | 381 | 668 | 167 | 560 | 376.7 | 432 | 1035 | 53.5 | 70° | 74.5° |
| S | 553 | 422 | 707 | 188 | 580 | 381 | 432 | 1047 | 53.5 | 70° | 73.5° |
| M | 586 | 462 | 745 | 188 | 618 | 403.3 | 450 | 1087 | 72 | 71° | 73.5° |
| L | 617 | 495 | 777 | 209 | 648 | 412.6 | 450 | 1107 | 72 | 71° | 72.5° |
| XL | 647 | 528 | 810 | 252 | 679 | 426.6 | 450 | 1132 | 72 | 71° | 72° |
Source: https://www.marinbikes.com/za/bikes/2024-four-corners — checked 2026-08-16. A dash means Marindoesn't publish that figure; we leave it blank rather than estimate.
Note: 2024 Four Corners 1 geometry used. Four Corners 2 has a slightly different head-angle table.
Find bags that fit
The bag finder can load this bike's published geometry directly — pick Marin Four Corners 1 and your size, and it will check every bag in the database against your frame triangle.
Open the Bag Finder