Material: Steel C45, not hardened. Pre-bored. Sprockets with 45 teeth and above are made of grey cast iron GG25. General dimensions: B1 = 10,8 mm, B3 = 49,8 mm, c = 2,0 mm, r3 = 19 mm. Other dimensions: See the table.
| No. of Teeth | 57 |
|---|---|
| da (mm) | 355,9 |
| d (mm) | 345,81 |
| ND (mm) | 140 |
| B (mm) | 40 |
| L (mm) | 70 |
| Weight (kg) | 15,25 |
