Molded-composite back upright features fundamental 0° of outboard toe to boost traction preventing suspension system system geometry alterations in serious crashes. Features two roll center jobs over straight back upright. Accommodates tiny but robust 5x10 ball-bearings for minimized unsprung fat.
moderate rigidity (labeled M) particularly optimized for rubber-tire competition.
Use on both staying and appropriate edges attached to automobile. Are ideal for foam tires.