Nvzi 2 Packs 20 Inch Bike Tube, Bike Tire Tube, Bicycle Inner Tube, 20 Bicycle Tube, AV32mm Valve Compatible with 20x1.75, 20 x1.90, 20x1.95, 20x2.0, 20x2.10, 20x2.125

★【20 Bike Tube Product Specifications】Inner tube size: 20×1.75inch/2.125inch. Fits tire width 1.75inch-2.125inch. Including 2 inner tubes and 3 bike tire levers.
★【Bicycle Inner Tube Easy Lnstallation】Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Save time and effort, replace the old tube in a few minutes.
★【Bike Tubes High Quality】The bike tube is made from premium butyl rubber.it absorbs the impact on the uneven road surface, making riding more comfortable and safe.It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation.
★【20 Inch Tube Lmportant Note】When changing a bicycle inner tube, be sure to add a little air before installing it. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Inspect for an even bead of the tire to the rim on both sides.
★【Bike Tire Tube Sales Service】We are so confident in the quality of our products that if you have any product issues we are happy to provide a refund or replacement for your purchase! We are here to support you too If you have any questions or concerns please contact us and we will be happy to help.