Premium XTB-20 Bushing With 3/4" Bore 12B Chain Attachments This 41BS80 sprocket features a

This 41BS80 sprocket features a 1-7/16" finished bore including a key-way and two setscrews

35BS23 3/4" Finished Bore Sprocket Dimensions:

Sprocket Size: D40Q36

This 50BS23 sprocket featured a 1-3/8" finished bore with a key-way and two set screws

Maximum Recommended Bore: 3-1/4"

Premium XTB-20 Bushing With 3/4" Bore 12B Chain Attachments This 41BS80 sprocket features aThis XTB 20 bushing features a 3 4" bore and is a high quality durable bushing. A few things that are special about this bushing is the 1045 grade steel construction and strict quality control to ensure you always get a premium consistent product. We also offer the accompanying product types that are manufactured to accept these type of bushings. USA Roller Chain and Sprockets is a one stop shop facility focused on providing the best possible customer