Rear Brake Disc for Yamaha YZF R1 02-03 YZF R6 99-02 Condition: New Never Mounted Material:high quality stainless steel All are heat treatment and approved great performance. The shape of the disc ensures good heat dissipation under heavy braking sessions, reducing brake fade, minimising warping, and ensuring rotor longevity. The slotted rotor ensures water and dirt are dispersed quickly when braking.