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 GTR 1400 2008-2019 GTR1400R 2007-2008 Z1000 2007-2009 Z750R 2011-2012 ZX14 2006-2014 ZX14 ABS 2013 ZX14 SE 2010 ZX14R 2015-2020 ZX14R NINJA SE ABS 2014 ZX6R 2007-2016 ZX6R NINJA (ZX600R) 2014