Radial lobe shape means the weakest flat corner areas of standard backers are reduced so the corners do not bend like standard backers, plus unnecessary weight is reduced
An innovative shape that provides increased stud rigidity while reducing track wear
Radial lobe shape means the weakest flat corner areas of standard backers are reduced so the corners do not bend like standard backers, plus unnecessary weight is reduced
Combine the best benefits of square and round backers in one design