Material: Steel C45, not hardened. Pre-bored. Sprockets with 45 teeth and above are made of grey cast iron GG25. General dimensions: B1 = 7 mm, B2 = 21 mm c = 1,3 mm, r3 = 13 mm. Other dimensions: See the table.
| No. of Teeth | 18 |
|---|---|
| da (mm) | 77,8 |
| d (mm) | 73,14 |
| ND (mm) | 58 |
| B (mm) | 14 |
| L (mm) | 35 |
| Weight (kg) | 0,80 |
