2017 Surly · A
2017 Surly ECR 27+ geometry
Full frame geometry for the 2017 Surly ECR 27+, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| XS | 556 | 385 | 73 | 69 | 90 | 555 | 346 | 726 | 60 | 435 | 1052 |
| S | 580 | 398 | 73 | 69 | 115 | 575 | 406 | 766 | 60 | 435 | 1074 |
| M | 603 | 410 | 73 | 69 | 140 | 595 | 457 | 802 | 60 | 435 | 1096 |
All measurements in millimetres unless marked (°) for angles.