| Bore diameter | d | 20 | mm |
| Thickness of sprocket | C1 | 15.30 | mm |
| Tip diameter (gearing) | Dk | 107.60 | mm |
| Lower tolerance | -0.01 | mm | |
| Pitch circle diameter (gearing) | D0 | 98.10 | mm |
| Number of teeth | z | 12 |
| ISO chain | x |
| Chamfer width | C2 | 2 | mm |
| Width, outer ring | C | 14 | mm |
| Outside diameter | d2 | 47 | mm |
| Width Inner ring | B | 17.70 | mm |
