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 NSR250 MC28 1994-1999 RVF400 1994-1996 RVF750 RC45 1994-1999 VFR400 NC30 1990-1992 VFR400R (IMPORT NC30) 1989 1993 VFR750R RC30 1988-1993