Pilot hole Ø d1 (mm): 16 | d2 (mm): 56 | Hub Ø dn (mm): 90 | PCD do (mm): 161.9 | No. of teeth z: 40 | L (mm): 35 | Head circle Ø dk (mm): 167 Read more.
Sprocket 08 B-1 (1/2" x 5/16"), 40 teeth, pilot hole Ø 16 mm
Technical data: