2026 Transition · MDB
2026 Transition Spur Carbon geometry
Full frame geometry for the 2026 Transition Spur Carbon, 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SM | 608 | 430 | 77.3 | 66 | 100 | 570 | 360 | 660 | 40 | 434 | 1163 | 44 |
| MD | 617 | 460 | 76.8 | 66 | 110 | 603 | 390 | 660 | 40 | 434 | 1197 | 44 |
| LG | 626 | 485 | 76.4 | 66 | 120 | 631 | 430 | 660 | 40 | 439 | 1231 | 44 |
| XL | 640 | 510 | 76 | 66 | 135 | 660 | 460 | 660 | 40 | 439 | 1262 | 44 |
All measurements in millimetres unless marked (°) for angles.