2026 BH · MH
2026 BH Spike geometry
Full frame geometry for the 2026 BH Spike, 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) | Chainstay (mm) | Wheelbase (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SM | 614.6 | 387.1 | 73 | 68.5 | 100 | 575 | 390 | 60 | 649.2 | 455 | 1097.4 |
| XS | 614.6 | 387 | 73 | 68.5 | 100 | 575 | 350 | 60 | 649.2 | 455 | 1087.4 |
| MD | 623.9 | 395.8 | 73 | 68.5 | 110 | 587 | 440 | 60 | 661.5 | 455 | 1109.8 |
| LA | 633.2 | 406.4 | 73 | 68.5 | 120 | 600 | 480 | 60 | 675.7 | 455 | 1124.1 |
| XL | 642.5 | 423.6 | 73 | 68.5 | 130 | 620 | 530 | 60 | 696.5 | 455 | 1144.9 |
All measurements in millimetres unless marked (°) for angles.