The S3 sintered compound is optimal for street bikes, dual sport, touring, cruisers. It's recommended on applications with rather larger engines or for people who ride harder than average and want the great stopping power of a sintered brake pad. Fits: Honda CB1000F SUPER FOUR 1995-1998 CB250 HORNET 1996-2001 CB400 SF Super Four 1996 CB900F HORNET 2002-2007 CBR900RR FIREBLADE 1992-1997 NSR250 MC18 1988-1989 NSR250 MC21 1990-1993 NSR250 MC28 1994-1999 NT400 BROS 1988-1992 NT650 BROS 1988-1993 RVF400 1994-1996 RVF750 RC45 1994-1999 VFR400 NC30 1990-1992 VFR400R (IMPORT NC30) 1989 1993 VFR750R RC30 1988-1993 VTR1000F FIRESTORM 1997-2007 Kawasaki KL250 1983-1984