IMPACT
| Size | Size | Sc° | Seat angle |
| Pccs | Seat tube length (centre to centre) | Scs | Seat cluster offset |
| Ps | Seat tube length (centre to top) | C | Chainstay length |
| P | Effective seat tube length | A | Front centre |
| Os | Top tube length | Hs | Tube length |
| O | Top tube length (horizontal) |
| Size | Ps | Os | O | Pccs | Sc° | A | C | Hs |
|---|---|---|---|---|---|---|---|---|
| 43s | 430 | 523 | 546 | 376 | 73° | 593 | 430 | 115 |
| 47s | 470 | 547 | 571 | 417 | 72.45° | 614 | 430 | 135 |
| 51s | 510 | 565 | 587 | 457 | 72.5° | 626 | 430 | 150 |