YunSCM 1 Pack 26x1-9-2-125 Presta 34MM Presta Valve MTB Bicycle Inner Tube

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 26×1.9/2.125. comfort comes first: the replacement tire ensures better damping effect, thereby enhancing the riding experience.