2026 Jamis · EDB
2026 Jamis Defcon geometry
Full frame geometry for the 2026 Jamis Defcon, size by size — stack, reach, angles and tube lengths.
Does this bike fit you?
Get sized in minutes — no tape measure, no appointment.
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) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 639 | 481 | 76 | 64.5 | 130 | 640 | 788 | 25 | 455 | 1286 | 44 |
| M | 639 | 456 | 76 | 64.5 | 130 | 615 | 788 | 25 | 455 | 1261 | 44 |
| S | 639 | 431 | 76 | 64.5 | 130 | 590 | 788 | 25 | 455 | 1236 | 44 |
| XL | 643 | 506 | 76 | 64.5 | 135 | 665 | 794 | 25 | 455 | 1312 | 44 |
All measurements in millimetres unless marked (°) for angles.