Synchronous Pulley; 12MM Belt Width; 8 MM Belt Pitch; 8M-12 Belt Style; 45 Teeth; 21.59MM Face Width; Bushed; 112.98MM Outside Diameter; 114.58MM Pitch Diameter; Yes Keyway; 2012 Bushing; No Minimum Plain Bore

Synchronous Pulley; 21MM Belt Width; 8 MM Belt Pitch; 8M-21 Belt Style; 45 Teeth; 31.75MM Face Width; Bushed; 112.98MM Outside Diameter; 114.58MM Pitch Diameter; Yes Keyway; 2012 Bushing; No Minimum Plain Bore

21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 45 Teeth; 24.638MM Face Width; Bushed; 124.714MM Flange OD; 112.979MM OD; 114.579MM 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; 45 Teeth; 24.638MM Face Width; Bushed; 124.714MM Flange OD; 112.979MM OD; 114.579MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

12MM Belt Width; 8MM Belt Pitch; 8M-12 Poly Chain GT2 Belt Style; 45 Teeth; 14.478MM Face Width; Bushed; 124.714MM Flange OD; 112.979MM OD; 114.579MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore