1/10th scale ball cups - black - 20 piece set JConcepts ball cups are designed for all 1/10th scale off-road vehicles. Available in black, white and yellow these ball cups are designed with performance as well as aesthetics in mind. A newly designed low-profile ball cup has been designed for extra durability and added wheel to tie-rod clearance. 4 left and 4 right included per package. It is recommened to only use the low-profile ball cups on the rear outer camber link of off-road vehicles. When using the new low-profile ball cup it is necessary to use a shorter tie-rod than normal stock units. Tie-Rod length needed when using low-profile ball cup on outer rear camber link: