... ,102mm,127mm,152mm,165mm,170mm,175mm6.Use:BMX,MTB,kids bicycles,road bicycles7.High quality with cheap ... 2000 & CCC Hebei Tieniu Bicycle Co., Ltd. is specializing in the production of bicycle and accessories. Our company ... has produced the bicycle parts for 15 years. We are located in Gaosanzhou Industrial Development Area, ... for high quality 3 pieces MTB Bicycle chainwheel and crank