... bicycle butyl tube 2. ISO9001:2000 Certificate 3 HIGH QUALITY and LOW PRICE We can provide you of the bicycle ... tyres of a, b two class of quality tyres. We can supply all kinds of inner tubes, including butyl and ... natural rubber tube. Size: 14x1.75/2.125, ... the reasonable price, high quality, fine pattern bicycle tyre.Standard: DOT, E-MAIKR, ISO9001Unit ...