KYMCO OEM spare part. Kymco OEM brake caliper front complete silver MA0057 45200-KKC2-E00-NJA The spare caliper assy front (silver) part number 45200-KKC2-E00-NJA is a genuine Kymco part which means it is exactly the same as the one that comes from the factory. MA0057 Works on Bet & Win 50, 125, 150 all use the same brake caliper.