... /114/127/140/152/165/170/175MM HeBei HuaYu Bicycle Co.Ltd is specialized in manufacturing Bicycle crank,hub,chainwheel,brake system ... contact us at your convenience. Yours Sincerely HeBei HuaYu Bicycle Co.Ltd Address:Lujia tun industrial zone,GuangZong county,XingTai City,HeBei ...