EV Parts > Sprockets / Chain Drive Sprockets Drive Sprockets For 3/4" or 7/8" Shafts Choose #40, #41, or #50   Click here to view details >>> Price: 25.00 USD Driven Sprockets Aluminum Custom Machined   Click here to view details >>> Price: 100.00 USD   Chain Roller Chain Choose ANSI #40 or #50   Click here to view details >>> Price: 33.00 - 50.00 USD