Synchronous Pulley; 37MM Belt Width; 14 MM Belt Pitch; 14M-37 Belt Style; 63 Teeth; 44.196MM Face Width; Bushed; 277.952MM Outside Diameter; 280.746MM Pitch Diameter; Yes Keyway; 3525 Bushing; No Minimum Plain Bore

Synchronous Pulley; 20MM Belt Width; 14 MM Belt Pitch; 14M-20 Belt Style; 63 Teeth; 26.416MM Face Width; Bushed; 277.952MM Outside Diameter; 280.746MM Pitch Diameter; Yes Keyway; 3525 Bushing; No Minimum Plain Bore

Synchronous Pulley; 68MM Belt Width; 14 MM Belt Pitch; 14M-68 Belt Style; 63 Teeth; 76.454MM Face Width; Bushed; 277.952MM Outside Diameter; 280.746MM Pitch Diameter; Yes Keyway; 3525 Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 16B-1 Chain; 63 Teeth; 1 Row of Teeth; Hardened Teeth; A-No Hub; Rough Bore Mount; No Bushing; 25.4MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Synchronous Pulley; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 63 Teeth; 23.368MM Face Width; Bushed; 158.826MM Outside Diameter; 160.426MM Pitch Diameter; Yes Keyway; 2012 Bushing; No Minimum Plain Bore