Gates QD6/5VS12.52 Adjustable Speed QD Sheave with 6 grooves and a 12.52 (in) outside diameter for use with 5V or 5VX v-belts. Requires a 5VSLB bushing sold seperately. Gates Product Number 7960-0021
Use with Super HC� 5V and 8V or Super HC� Molded Notched 5VX and 8VX V-belts.