HOW DOES IT WORK? outer and inner diameter of the disk have a non-round design that enables better radial expansion of the rotor under extreme heat conditions. Moreover piercing holes are replacd by edges specifically designed to grow brake pad regeneration process CHARACTERISTICS > BENEFITS more braking grip > highly reactive less weight > better handling high heat dissipation > stable power at all conditions Compatible with: - Ducati: 851_M, 888 SBK/Racing_M, 888 SP5_M, GT 1000 07-_M, Monster 400_M, Monster 600 1994_M, Monster 600 95-98_M, Monster 600 99-01_M, Monster 620_M, Monster 695_M, Monster 696_M, Monster 750 00-_M, Monster 750 96-99_M, Monster 800 i.e._M, Monster 900 00-_M, Monster 900 93-99_M, Monster S4_M, Paso 906_M, Paul Smart 1000 06-_M, SL 900_M, Sport 1000 06-_M, SS 1000_M, SS 400_M, SS 750 91-97_M, SS 750 98-_M, ST2_M, ST3_M, ST4_M - Yamaha: FZR 600 94-95_M, R1 00-01_M, R1 98-99_M, R7_M, TDM 850 91-95_M, TDM 850 96-01_M, TDM 900_M, Thunderace 1000_M, Thundercat 600_M, TRX 850_M, XJ 400_M, XJ 600 98- Diversion_M, XJ 600 N_M, XJ 600 S 91-97 Diversion_M