GSX F 650 98-10 FRONT - L / R. GSX F 650 08-12 FRONT - L / R. GSX F - ABS 650 08-14 FRONT - L / R. - Complete set of Brake Discs Rotors (No Bolts/Instructions). - Arashi brake rotors are constructed from 420 stainless steel, with CNC 6061-T6 Aluminum alloy in the center hub for lesser weight.