2019 BH · RD
2019 BH Quartz Aero Disc geometry
Full frame geometry for the 2019 BH Quartz Aero Disc, 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) | Chainstay (mm) |
|---|---|---|---|---|---|---|---|---|
| SS | 523 | 368 | 74.8 | 70.5 | 125 | 508 | 420 | 406 |
| XS | 540 | 365 | 74.2 | 72 | 140 | 518 | 440 | 406 |
| SM | 556 | 375 | 73.5 | 72.5 | 155 | 540 | 470 | 406 |
| M | 581 | 379 | 72.8 | 73 | 180 | 557 | 490 | 406 |
| L | 596 | 388 | 73 | 73 | 195 | 570 | 510 | 406 |
| XL | 620 | 393 | 72.8 | 73 | 220 | 585 | 540 | 406 |
All measurements in millimetres unless marked (°) for angles.