Synchronous Pulley; 30MM Belt Width; 8MM Belt Pitch; 8M-30 Belt Style; 56 Teeth; 38.1MM Face Width; Bushed; 151.003MM Flange OD; 141.224MM OD; 142.596MM Pitch Diameter; Yes Keyway; 14 To 48MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

Synchronous Belt; 8MM Pitch; 480MM Pitch Length; 21MM Belt Width; Standard HTD Tooth Profile; 8MGT; Carbon Fiber Tensile Material; Polyurethane Outer Material

21MM Belt Width; 8MM Belt Pitch; 8MPC-21 QT PowerChain II Belt Style; 40 Teeth; 24.638MM Face Width; Bushed; 110.236MM Flange OD; 100.254MM OD; 101.854MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 48 Teeth; 24.638MM Face Width; Bushed; 132.334MM Flange OD; 120.625MM OD; 122.225MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

Synchronous Pulley; 50MM Belt Width; 8 Millimeter Belt Pitch; 8M-50 Belt Style; 40 Teeth; 53.975MM Face Width; Bushed; 110.236MM Flange OD; 100.49MM OD; 101.86MM Pitch Diam; Yes Keyway; 14 To 50MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore