This bicycle inner tube is manufactured from puncture resistant butyl rubber complete with Schrader valve. It
comes flat packed for convenience & should be inflated with a hand pump only. It is advisable to ensure your
tyre, wheel & rim tape are in good condition before fitting & that you should check the size & valve for
compatibility.
Wheel Size: 20” Tyre Width: 1.75” - 2.12”
Valve Size: 33mm