Synchronous Pulley; 3/8" Belt Width; 1/5" Belt Pitch; XL Belt Style; 42 Teeth; 0" Face Width; Bushed; 2.654" OD; 2.674" Pitch Diam; Yes Keyway; 1/2 To 1" Bushing Bore Range; 1108 Bushing; No Minimum Plain Bore

21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 42 Teeth; 23.368MM Face Width; Bushed; 124.714MM Flange OD; 105.359MM OD; 106.959MM Pitch Diam; Keyway; 12.7 To 41.275MM Bushing Bore Range; SH 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

12MM Belt Width; 8MM Belt Pitch; 8M-12 Poly Chain GT2 Belt Style; 42 Teeth; 14.478MM Face Width; Bushed; 124.714MM Flange OD; 105.359MM OD; 106.959MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

21MM Belt Width; 8 Millimeter Belt Pitch; 8M-21 Belt Style; 42 Teeth; 24.638MM Face Width; Bushed; 124.714MM Flange OD; 105.35MM OD; 106.959MM Pitch Diam; Yes Keyway; 14 To 50MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore