... do focus on production quality,and is a good chose for your long time cooperation partner 5.we have flexible negotiation ... .Surface treatment is zinc plating ,chrome plating,nickle plating6.Weight for one set is about 0.8kg7.Teeth number arrange 13t ... , MX180, NNX125, NX250, NX350SHAHR, NX200, NX400, NXR125, NXR150, NXR PPASSION PLUS NEW, PLATINA, PRIMA, PULSAR, PXK RR530, RAJDOOT, RC80, RC100, RCN5 ...