... ,102mm,127mm,152mm,165mm,170mm,175mm6.Use:BMX,MTB,kids bicycles,road bicycles7.High quality with cheap price8 ... 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 ... quality multi-speed chainwheel and crank for MTB bicycle