ACERBIS X-BRAKE 2.0 DISC COVER & MOUNT RED BLUE GAS GAS 17-20The X Brake Vented, Acerbis newest front disc cover, provides unparalleled protection, strength, and design. It features a Dual mould injected design to keep sticks, rocks, and other debris from damaging or becoming tangled in the front rotor. It also features ample venting to keep the brake cool in all conditions. The cover also provides protection to the brake caliper. Constructed of durable polypropylene and features a carbon fibre like texture.