Synchronous Pulley; 1/4" Belt Width; 2/25" Belt Pitch; MXL Belt Style; 21 Teeth; 0.389" Face Width; Rough Bore; 0.71" Flange OD; 0.515" OD; 0.535" Pitch Diam; No Keyway; No Bushing; Yes Minimum Plain Bore; 0.19" Max Bore

Synchronous Pulley; 1/4" Belt Width; 2/25" Belt Pitch; MXL Belt Style; 80 Teeth; 3/8" Face Width; Rough Bore; 2.017" OD; 2.037" Pitch Diam; No Keyway; No Bushing; Yes Minimum Plain Bore; 0.31" Max Bore