Synchronous Pulley; 20MM Belt Width; 8 MM Belt Pitch; 8M-20 Belt Style; 42 Teeth; 28MM Face Width; Bushed; 105.58MM Outside Diameter; 106.95MM Pitch Diameter; Yes Keyway; 14 To 42MM Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore

20MM Belt Width; 8MM Belt Pitch; 8MGT-20 Powergrip GT2 Belt Style; 42 Teeth; 21.59MM Face Width; Bushed; 124.739MM Flange OD; 105.588MM OD; 106.959MM Pitch Diam; Keyway; 12.7 To 42.863MM Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore

Synchronous Pulley; 21MM Belt Width; 8 Millimeter Belt Pitch; 8M-21 Belt Style; 42 Teeth; 24.638MM Face Width; Bushed; 115MM Flange OD; 105.588MM OD; 106.959MM Pitch Diam; Yes Keyway; 14 To 42MM Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore