[High Quality]: These inner tubes are made of thick butyl rubber, which is better in air tightness, elastic damping and aging resistance than natural rubber. Ride worry-free knowing that these inner tubes are built to last.
[Easy Installation]: Convenient to carry, quicker to replace with a lever and a pump within five minutes.
[365 Days Warranty]: Winfavo service will provide 365 days of quality after-sales service. Please be assured to buy!