Triple-strand sprocket DRS with hub 10 B-3 5/8x3/8" 21 teeth material steel
| No. of Teeth | 21 |
|---|---|
| da [mm] | 113,6 |
| d [mm] | 106,51 |
| ND [mm] | 85 |
| B [mm] | 20 |
| L [mm] | 60 |
| Weight [kg] | 3,15 |
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Material: Steel C45, not hardened. Pre-bored. Sprockets marked with * from grey cast iron GG25. Sprockets marked with 1) are from steel St52 with welded hub.
General dimensions: B1 = 9 mm, B3 = 42,1 mm, c = 1,6 mm, r3 = 16 mm.
Other dimensions: See the table.