2021 Boardman Performance · G
2021 Boardman Performance ADV 8.9 geometry
Full frame geometry for the 2021 Boardman Performance ADV 8.9, 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 (°) | BB drop (mm) | Chainstay (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|
| S | 554 | 376 | 74 | 71 | 70 | 430 | 50 |
| M | 573 | 385 | 73.5 | 71 | 70 | 430 | 50 |
| L | 596 | 393 | 73 | 71.5 | 70 | 430 | 50 |
| XL | 608 | 399 | 73 | 71.5 | 70 | 430 | 50 |
All measurements in millimetres unless marked (°) for angles.