The .360″ thick, 11.250″ diameter rotor which is blanchard ground and black oxided, is bolted to a .460″ thick aluminum hub assembly with 5/16″ grade 8 bolts. The hub is machined with a receiver groove to mate with the wheel adapter. Rotor only, is sold separately without the hat.
EMPI
Sku 16-2510-7 – UPC 707924293593