2015 Principia · MH
2015 Principia Evoke geometry
Full frame geometry for the 2015 Principia Evoke, 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) | BB drop (mm) | Front centre (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 634 | 387 | 73.5 | 70 | 120 | 575 | 368 | 63 | 645 | 1092 | 46 |
| 17 | 636 | 407 | 73.5 | 70.5 | 120 | 595 | 419 | 63 | 660 | 1097 | 46 |
| 19 | 636 | 427 | 73.5 | 70.5 | 120 | 615 | 470 | 63 | 679 | 1117 | 46 |
| 21 | 655 | 441 | 73.5 | 70.5 | 140 | 635 | 521 | 63 | 700 | 1138 | 46 |
All measurements in millimetres unless marked (°) for angles.