This Japanese made rebuild kit fits both front and rear on the GT250, GT250R, GT650, GT650S, GT650R, GV650, ST7. You will need 1 kit per caliper. Fits model year 2005 - 2010. Some 2010 and newer models have the newer caliper installed so make sure your caliper looks like the one in the third picture. Picture may be reversed depending on which side of the bike you are looking at. Also fits some of the Johnny Pag models.