Material: Steel C45, not hardened. Pre-bored. Sprockets with 38 teeth and more are made from grey cast iron GG25. Sprocket with 35 teeth has a welded hub. General dimensions: B1 = 18,5 mm, c = 3,5 mm, r3 = 32 mm. Other dimensions: See the table.
| No. of Teeth | 57 |
|---|---|
| da (mm) | 591,5 |
| d (mm) | 576,36 |
| ND (mm) | 135 |
| B (mm) | 40 |
| L (mm) | 80 |
| Weight (kg) | 24,00 |
