No. of teeth z: 24 | Pilot hole Ø d1 (mm): 25 | Head circle Ø dk (mm): 258 | L (mm): 55 | d2 (mm): 90 | PCD do (mm): 243.2 | Hub Ø dn (mm): 140 Read more.
Sprocket 20 B-1, 24 teeth, Ø 258 mm, pilot hole 25 mm
Technical data: