KAWASAKI ZZR 1200 (FROM 2002 TO 2005). FLOATTING FRONT BRAKE DISC WAVE Ø320 mm BRAKING SK2. WAVE and "DIRECTIONAL" Brake Disc (each side has its own sense of installation) hardened stainless steel. After 5 years of successful results and 7 winning world titles, Braking launches the second generation of their SK.