2026 Kinesis · RD
2026 Kinesis Aithein Disc geometry
Full frame geometry for the 2026 Kinesis Aithein 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) | BB drop (mm) | Front centre (mm) | Chainstay (mm) | Wheelbase (mm) | Fork rake (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 47 | 525 | 375 | 75 | 72 | 124 | 516 | 450 | 72 | 573.6 | 410 | 967.6 | 45 |
| 50 | 540 | 383 | 74.3 | 72.1 | 140 | 535 | 490 | 72 | 585.5 | 410 | 979.6 | 45 |
| 53 | 559 | 391 | 74 | 72.4 | 162 | 551 | 530 | 70 | 597.4 | 410 | 992.2 | 45 |
| 56 | 582 | 399 | 74 | 72.7 | 184 | 566 | 560 | 70 | 609.3 | 410 | 1004.2 | 45 |
| 59 | 605 | 407 | 73.5 | 73 | 208 | 586 | 590 | 69 | 621.5 | 410 | 1016.7 | 45 |
All measurements in millimetres unless marked (°) for angles.