The new X-Brake Vented Disc Cover from Acerbis provides unparalleled protection, strength and design. It features a dual-injected design to keep sticks, rocks and other debris from damaging or becoming tangled in the front rotor. Ample venting to keep the brake cool in all conditions. Constructed of durable polypropylene and features a carbon fiber like texture. DISC CVR X-BRK VENTED RED/BLU.