Both EBC's MXS race pads and "R" pads are US made sintered bronze for longest lifetime MXS for racers "R" pads for leisure use This product can be used with Kawasaki KE175 D2 Kawasaki KE175 D3 Kawasaki KE175 D4 Kawasaki KE175 D5 Kawasaki KL250 A3 Kawasaki KL250 A4 Kawasaki KL250 A5 Kawasaki KL250 C1 Kawasaki KL250 C2 Kawasaki KL250 D2-D20 (KLR250)