2026 BMC Kaius vs 2026 Ridley ASTR RS
Bicycle geometry comparison powered by RideDNA
BMC Kaius
2026 · Gravel
| Size | Reach | Stack | Trail | HTA | Chainstay | BB Drop | Wheelbase | Max Tire |
|---|---|---|---|---|---|---|---|---|
| 47 | 390 | 510 | 68 | 71.0 | 412 | 80 | 1003 | 44 |
| 51 | 397 | 530 | 68 | 71.0 | 412 | 80 | 1017 | 44 |
| 54 | 401 | 551 | 68 | 72.0 | 412 | 80 | 1013 | 44 |
| 56 | 404 | 571 | 68 | 72.0 | 412 | 80 | 1024 | 44 |
| 58 | 410 | 596 | 68 | 72.0 | 412 | 80 | 1037 | 44 |
| 61 | 414 | 621 | 68 | 72.0 | 412 | 80 | 1050 | 44 |
All measurements in millimeters (mm) and degrees (°).
vs
Ridley ASTR RS
2026 · Gravel
| Size | Reach | Stack | Trail | HTA | Chainstay | BB Drop | Wheelbase | Max Tire |
|---|---|---|---|---|---|---|---|---|
| L | 420 | 595 | 69 | 71.5 | 418 | 75 | 1064 | 52 |
| M | 406 | 571 | 69 | 71.5 | 418 | 75 | 1043 | 52 |
| S | 392 | 550 | 72 | 71.0 | 418 | 75 | 1027 | 52 |
| XL | 432 | 619 | 69 | 71.5 | 418 | 75 | 1085 | 52 |
| XS | 376 | 536 | 72 | 71.0 | 418 | 75 | 1006 | 52 |
All measurements in millimeters (mm) and degrees (°).
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