21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 30 Teeth; 23.368MM Face Width; Rough Bore; 86.614MM Flange OD; 74.803MM OD; 76.403MM Pitch Diam; No Keyway; No Bushing; Minimum Plain Bore; 1.813" Max Bore

Synchronous Pulley; 30MM Belt Width; 8MM Belt Pitch; 8M-30 Belt Style; 30 Teeth; 38.1MM Face Width; Bushed; 86.563MM Flange OD; 75.133MM OD; 76.403MM Pitch Diameter; Yes Keyway; 14 To 32MM Bushing Bore Range; QT Bushing; No Minimum Plain Bore

21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 30 Teeth; 23.368MM Face Width; Bushed; 86.614MM Flange OD; 74.803MM OD; 76.403MM Pitch Diam; Keyway; 12.7 To 28.575MM Bushing Bore Range; 1108 Bushing; No Minimum Plain Bore

20MM Belt Width; 8MM Belt Pitch; 8MGT-20 Powergrip GT2 Belt Style; 30 Teeth; 21.59MM Face Width; Bushed; 84.988MM Flange OD; 75.032MM OD; 76.403MM Pitch Diam; Keyway; 12.7 To 31.75MM Bushing Bore Range; 1210 Bushing; No Minimum Plain Bore