A628 (22cP): PULLEY DIAM. 25MM WITH HOLES
A629 (23a): PULLEY WITH BOSS DIAM.13MM
A921 (20a): PULLEY WITH BOSS DIAM.50MM
A924 (21): PULLEY WITH BOSS DIAM.38MM
A925 (21P): PULLEY WITH HOLES DIAM.38MM