Tianjin Jianxiang Spoke Industry & Trade Co., Ltd. [China]

steel bicycle frame bicycle fram top tube diametre 38mm down tube diametre 45mm seat tube diametre 28.6mm

  steel bicycle frame  :  top tube diametre 38mm   down tube diametre 45mm                               seat tube diametre 28.6mm   the heigh 19 inches

                               front fork  is equal diametre of 28.6mm

                               with 18 speed transmission

steel bicycle frame