Alpinestars Supertech R Vented Blue Black var1value:UK 44 Product Name: Main Bearing Kit

Product Name: Main Bearing Kit

Displacement: 698 cc

Gas pressure prevents the formation of air bubbles

9 cm (10-3/5")

Alpinestars Supertech R Vented Blue Black var1value:UK 44 Product Name: Main Bearing KitThe Alpinestars Supertech R Vented Blue Black is part of the latest collection from Alpinestars. 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 features even further. Featuring extensive perforations throughout for maximum airflow, innovations derived using feedback from Alpinestars