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 250 FORZA (4 stroke) 2001-2004 FES250 FORESIGHT 1998-1999 NSS250 2000-2004 ST1100 ABS 1996-2002 Kawasaki EN650 VULCAN S 2015-2021 EN650 VULCAN S ABS L 2016 EN650 VULCAN S CAFE 2019-2021 EN650 VULCAN S SE 2019-2021