yl rubber material, it has better air tightness, heat resistance and .
2. The butyl rubber tire inner tube can absorb uneven road vibrations, thus ensuring a comfortable and safe ride.
3. Simple installation and the old tire tube can be easily in a few minutes, saving time and is efficient.
4. Bicycle tubes are suitable for most road bikes and mountain bikes.
5. The inner tube is equipped with a valve, never let the bike deflate with a bicycle tube at hand.
Specifications:
Item Type: Bicycle Inner Tubes
Material: Butyl Rubber
Product colour: as shown in the pictures.
Product weight: about 103g
Package List:
1 x Bicycle Inner Tube