Material: Steel C45, not hardened. Pre-bored. Sprockets with 45 teeth and more are made from grey cast iron GG25. General dimensions: B1 = 16,2 mm, c = 2,5 mm, r3 = 26 mm. Other dimensions: See the table.
| No. of Teeth | 21 |
|---|---|
| da (mm) | 181,2 |
| d (mm) | 170,43 |
| ND (mm) | 110 |
| B (mm) | 20 |
| L (mm) | 50 |
| Weight (kg) | 5,03 |
