... we produce many kinds of bicycle tyres and tubes including natural tube and butyl tube with A/V,E/V ... ,can offer various kinds of motorcycle/bicycle tyre and tubes,such as:motorcycle/bicycle tube tyre,tubeless ... produce many kinds of bicycle tyres and tubes including natural tube and butyl tube with A/V,E/ ... G/V,C/V,D/V,TR4 etcSPECIFICATIONS OF BICYCLE TIRES AND TUBES28’: 28X1.75, 28X1 1/2; 28X1 3 ...