25MM Belt Width; 5MM Belt Pitch; 5MGT-25 Powergrip GT2 Belt Style; 23 Teeth; 27.432MM Face Width; Rough Bore; 42.164MM Flange OD; 35.458MM OD; 36.601MM Pitch Diam; No Keyway; No Bushing; Minimum Plain Bore; 0.625" Max Bore

12MM Belt Width; 8MM Belt Pitch; 8MGT-12 Powergrip GT2 Belt Style; 23 Teeth; 15.24MM Face Width; Bushed; 70.104MM Flange OD; 57.15MM OD; 58.572MM Pitch Diam; Keyway; 12.7 To 25.4MM Bushing Bore Range; 1008 Bushing; No Minimum Plain Bore