... .Use auto feed machine,make tubes according to Japan Standard JIS K63676.ISO9001,CCC,SONCAP, ... .Good aftersales servicewe produce many kinds of bicycle tyres and tubes including natural tube and ... V,C/V,D/V,TR4 etcSPECIFICATIONS OF BICYCLE TIRES AND TUBES28’: 28X1.75, 28X1 1/2; ... 700X40C; 700X35C; 700X32C;700X28C; 700X25C ;700X23CWelcome to inquiry us,you will get more detailed information. BICYCLE TYRE