Description
Still looking for the most durable bicycle inner tube? Now stop looking and try ours. It will exceed your expectations!Function:Persistence: mtb bicycle inner tube is made of butyl rubber stable and durable. It has amazing sealing properties, ozone resistance, aging resistance and electrical insulation.sizes available: bicycle tube 27 X 1 1/4.comfort comes first: the replacement tire ensures better damping effect, thereby enhancing the riding experience.