Synchronous Pulley; 15.875MM Bore; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 22 Teeth; 23.368MM Face Width; Finished Bore; 54.432MM Outside Diameter; 56.032MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore

Synchronous Pulley; 19.05MM Bore; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 22 Teeth; 23.368MM Face Width; Finished Bore; 54.432MM Outside Diameter; 56.032MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore

Synchronous Pulley; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 22 Teeth; 23.368MM Face Width; Rough Bore; 54.432MM Outside Diameter; 56.032MM Pitch Diameter; No Keyway; No Bushing; Minimum Plain Bore

Synchronous Pulley; 19.05MM Bore; 12MM Belt Width; 8 MM Belt Pitch; 8M-12 Belt Style; 22 Teeth; 14.478MM Face Width; Finished Bore; 54.432MM Outside Diameter; 56.032MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore

Synchronous Pulley; 28.575MM Bore; 12MM Belt Width; 8 MM Belt Pitch; 8M-12 Belt Style; 22 Teeth; 14.478MM Face Width; Finished Bore; 54.432MM Outside Diameter; 56.032MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore