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: Kawasaki ZX6R 2013-2018 ZX6R 30th ANNIVERSARY SPECIAL EDITION-EFFA 2015 ZX6R ABS 2014-2015 ZX6R ABS 30th ANNIVERSARY SPECIAL EDITION-FFFA 2015 ZX6R NINJA ABS (636) 2013 2016-2017