inner tube 1.with ISO 9001 certification 2.the best qulity 3.the reasonable price Detailed Product Description bicycle tubetube size:12*1.75,16*1.75,20*1.75,24*2.125, 26*2.125,26*1.3/8.,and so on Hebei Xingtai Haihong Cycle CO.,LTD is located at the industrial area of Nanxiao Road in Guangzong county .the north of which is the Xingtai ----Linqing highway .It is 4 kilometers away from the famous ...