| Bore diameter | d | 15 | mm |
| Thickness of sprocket | C1 | 5.20 | mm |
| Tip diameter (gearing) | Dk | 65 | mm |
| Upper tolerance | 0.02 | mm | |
| Pitch circle diameter (gearing) | D0 | 60.90 | mm |
| Number of teeth | z | 20 | |
| Width accros flats | W | M6 X 0,75 |
| ISO chain | x |
| Chamfer width | C2 | 0.80 | mm |
| Locking collar total width | B1 | 28.60 | mm |
| Outside diameter locking collar/locknut | d3 | 28.40 | mm |
| Width of flats | W | 3 | mm |
| Outside diameter | d2 | 40 | mm |
| Width, outer ring | C | 12 | mm |
| Outside diameter eccentric locking collar | d3 | 28.40 | mm |
| Locking collar width | B1 | 28.60 | mm |
