2-PCS 20" Bike Tubes 20x2.125 20x2.25 20x2.30 20x2.35 20x2.40 Bicycle Tubes

2-PCS 20" Bike Tubes 20x2.125 20x2.25 20x2.30 20x2.35 20x2.40 Bicycle Tubes

• SIZE:32mm Schrader (Regular valves). 20 x 2.125-2.40 Fit 20-inch wheel, tire width between 2.125/2.20/2.25/2.30/2.35/2.40 (ETRTO:54/64-406).
• High Quality: The bike tube is made from premium butyl rubber.It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation.
• Universal fit for Kids, Mountain, Road, BMX, and City bikes: Designed specifically for 20-inch wheels, this tube is the perfect spare or upgrade for junior mountain bikes (MTB), children's bikes, BMX freestyle, city commuters, and folding bikes. Whether tackling rugged trails or smooth roads, it delivers reliable performance across all riding styles.
• Important 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.
• Comfortable and Safe: After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe.
• Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects.
• Easy Installation: 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.