Material: Steel C45, not hardened. Pre-bored. Sprockets with 45 teeth and more are made from grey cast iron GG25. General dimensions: B1 = 5,3 mm, c = 1,0 mm, r3 = 10 mm. Other dimensions: See the table.
| No. of Teeth | 20 |
|---|---|
| da (mm) | 64,3 |
| d (mm) | 60,89 |
| ND (mm) | 46 |
| B (mm) | 10 |
| L (mm) | 28 |
| Weight (g) | 389 |
