| Model | FDMS66 LDM |
| Practical | VTT |
| Derailleur mount | Collier bas |
| Ø Collar in mm | 34.9 / 31.8 / 28.6 |
| Draw | Haut, Bas |
| Number of compatible speeds | 2x10 |
| Détails | |
| Minimum small chainring teeth | 22 dents |
| Maximum large chainring teeth | 38 dents |
| Maximum front tooth difference | 14 dents |