L (mm): 28 | No. of teeth z: 21 | Head circle Ø dk (mm): 90 | d2 (mm): 42 | Hub Ø dn (mm): 68 | Pilot hole Ø d1 (mm): 14 | PCD do (mm): 85.2 Read more.
Sprocket 08 B-1 (1/2" x 5/16"), 21 teeth, pilot hole Ø 14 mm
Technical data: