Sixity Rear Rotor 1999-2007 Suzuki GSX1300R Hayabusa Set Full Kit RX RY RK1 RK2 RZK3 RK4 RZK4 RK5 RK6 RZK6 RK7 Complete CNC Laser cut slotted design improves rotor cooling and significantly reduces weight for improved acceleration, braking and high-speed steering performance. Double-side diamond ground surface provides extreme flatness and parallelism. RF-Induction hardened brake discs measure Rockwell HRC-38 for an optimal balance between friction coefficient and rotor hardness. Compatible with organic, semi-metallic, sintered metal and high-performance ceramic pads. Made to OEM dimensions, ensuring accurate fitment and easy installation.