Almost every component of the Supertech R Vented Boot, Alpinestars definitive racing boot as worn by a roster of champions past and present, has undergone a rigorous program of upgrades to sharpen its performance...
Supersprox - Front sprockets. Made from SCM-435 steel to ensure a long life. Ultra hard surface layer reduces friction to prevent power loss caused by chaindrag. Fully lightened with radial holes for off road and...