2017 Surly · A
2017 Surly ECR 29+ geometry
Full frame geometry for the 2017 Surly ECR 29+, size by size — stack, reach, angles and tube lengths.
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Geometry by size
| Size | Stack (mm) | Reach (mm) | Seat angle (°) | Head angle (°) | Head tube (mm) | Top tube (mm) | Seat tube (mm) | Standover (mm) | BB drop (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 610 | 408 | 72.5 | 70 | 100 | 600 | 457 | 805 | 80 | 451 | 1090 | 43 |
| L | 633 | 420 | 72.5 | 70 | 125 | 620 | 508 | 840 | 80 | 451 | 1111 | 43 |
| XL | 656 | 433 | 72.5 | 70 | 150 | 640 | 559 | 875 | 80 | 451 | 1132 | 43 |
All measurements in millimetres unless marked (°) for angles.