2017 Jamis · MD
2017 Jamis Defcon geometry
Full frame geometry for the 2017 Jamis Defcon, 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) | Standover (mm) | BB drop (mm) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 584 | 394 | 73.5 | 66.5 | 100 | 570 | 719 | 7 | 435 | 1126 |
| 17 | 593 | 415 | 73.5 | 66.5 | 110 | 595 | 751 | 7 | 435 | 1151 |
| 19 | 593 | 436 | 73.5 | 66.5 | 120 | 620 | 784 | 7 | 435 | 1176 |
| 21 | 611 | 457 | 73.5 | 66.5 | 130 | 645 | 817 | 7 | 435 | 1191 |
All measurements in millimetres unless marked (°) for angles.