2026 BH · TD
2026 BH Aero TT geometry
Full frame geometry for the 2026 BH Aero TT, 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 | 494 | 409 | 76 | 72.5 | 85 | 531 | 510 | 74 | 589 | 380 | 970 |
| MD | 509 | 420 | 76 | 72.8 | 100 | 547 | 525 | 74 | 602 | 380 | 983 |
| LA | 528 | 431 | 76 | 72.8 | 120 | 562 | 540 | 74 | 619 | 380 | 1001 |
| XL | 547 | 443 | 76 | 72.8 | 140 | 579 | 560 | 74 | 638 | 380 | 1018 |
All measurements in millimetres unless marked (°) for angles.