Synchronous Pulley; 15MM Belt Width; 5 MM Belt Pitch; 5M-15 Belt Style; 112 Teeth; 20.5MM Face Width; Bushed; 177.11MM Outside Diameter; 178.25MM Pitch Diameter; Yes Keyway; 14 To 42MM Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore