2020 Basso · RD
2020 Basso Astra MK II geometry
Full frame geometry for the 2020 Basso Astra MK II, 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) | Front centre (mm) | Chainstay (mm) |
|---|---|---|---|---|---|---|---|---|
| 45 | 527 | 374 | 76 | 71.8 | 15 | 505 | 576 | 400 |
| 48 | 527 | 374 | 75 | 71.8 | 125 | 515 | 576 | 400 |
| 51 | 552 | 377 | 75 | 72 | 150 | 525 | 585 | 400 |
| 53 | 564 | 383 | 74 | 72.3 | 162 | 545 | 592 | 400 |
| 56 | 590 | 385 | 73.5 | 73.5 | 180 | 560 | 590 | 402 |
| 58 | 614 | 388 | 73 | 73.5 | 204 | 575 | 599 | 406 |
| 61 | 638 | 389 | 72.5 | 74 | 228 | 590 | 602 | 406 |
All measurements in millimetres unless marked (°) for angles.