2017 Surly · MH
2017 Surly Instigator 2.0 geometry
Full frame geometry for the 2017 Surly Instigator 2.0, 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/17 | 584 | 423 | 73 | 67.5 | 100 | 605 | 427 | 772 | 30 | 416 | 1120 | 44 |
| S/15 | 584 | 403 | 73 | 67.5 | 100 | 580 | 376 | 745 | 30 | 416 | 1096 | 44 |
| XS/13 | 584 | 378 | 73 | 67.5 | 100 | 555 | 299 | 739 | 30 | 416 | 1070 | 44 |
| L/19 | 598 | 444 | 73 | 67.5 | 115 | 625 | 478 | 797 | 30 | 416 | 1142 | 44 |
| XL/21 | 598 | 464 | 73 | 67.5 | 115 | 645 | 529 | 828 | 30 | 416 | 1162 | 44 |
All measurements in millimetres unless marked (°) for angles.