Sprocket KRS with hub pitch 4mm 57 teeth material steel
| No. of Teeth | 57 |
|---|---|
| da [mm] | 74,5 |
| d [mm] | 72,61 |
| ND [mm] | 50,0 |
| B [mm] | 8 |
| L [mm] | 16 |
| Weight [g] | 276 |
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Material: Steel C45, not hardened. Pre-bored. General dimensions: B1 = 2,45 mm, c = 0,33 mm, r3 = 3,75 mm. Other dimensions: See the table.