The K5 sintered compound is optimal for off-road dirt bikes and ATV. It is recommended for riders who demand great off-road stopping power and brake pad durability when riding on tough off-road terrain. Fits: Yamaha YXC700 VIKING VI 2015-2021 YXC700P VIKING VI 2015-2017 YXE700 WOLVERINE R SPEC 2016-2017 YXM700 D Viking 700 4x4 2014-2016 YXM700P VIKING 2015-2021 YXR700FA RHINO 2011-2013 YXZ1000R 2016-2021