Pilot hole Ø d1 (mm): 20 | A (mm): 50 | PCD do (mm): 170.4 | No. of teeth z: 21 | Hub Ø dn (mm): 110 | Head circle Ø dk (mm): 182.0 Read more.
Simplex sprocket ASA 80, 21 teeth, PCD 170.4 mm
Technical data: