Front Caliper Piston Kit Beta RR 2T 125 19-22, RR 2T 125 Race 21, RR 2T 200 19-22, RR 2T 200 Race 21, RR 2T 250 13-22, RR 2T 300 13-22, RR 4T 350 11-21, RR 4T 390 15-21, RR 4T 400 10-14, RR 4T 430 15-21, RR 4T 450 10-14, RR 4T 480 18-21, RR 4T 498 12-14, RR 4T 520 10-11, RR-S 4T 350 17-22, RR-S 4T 390 17-22, RR-S 4T 430 17-22, RR-S 4T 500 17-22, RS 4T 390 15-16, RS 4T 400 14, RS 4T 430 15-16, RS 4T 480 15-16, RS 4T 500 15-16, RS 4T 520 14, RX 2T 300 21, XTRAINER 300 15-22, Honda CR125R 01-07, CR250R 01-07, CRF150F 03, CRF250R 04-18, CRF250X 04-17, CRF450R 02-18, CRF450RX 17-18, CRF450X 05-17, Kawasaki KLX450R (AU) 18-19, KLX450R 08-09, KX125 01-05, KX250 01-07, KX250F 04-22, KX250X 21-22, KX450F 06-22, KX450X 21-22, Suzuki RMZ250 04-21, RMZ450 13-20, Yamaha WR250F 03-14, WR250R DUAL SPORT 08-20, WR450F 03-15, YZ125 03-07, YZ250 03-07, YZ250F 03-06, YZ450F 03-07