【Size】32mm (Regular valve). Fits all 20" x 3.5/4.0 tire tubes, compatible with 20x3.5/4.0 Road bike /Mountain bike Tire ( ETRTO : 90-406/100-406 ) bicycle tire tubes.
【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.
【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.
【Installation Precautions】Please check the side of your tire for the tire size your bike uses.
【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.
100% product quality guarantee: We hope to do better in the tire, hope to listen to friends' opinions and suggestions, in order to provide better service and more satisfactory products.If there is any problem on the product within 180 days, you can get in touch with us, and you need to provide evidence pictures and relevant situation descriptions, so that we can respond quickly and save your precious time. We will try our best to satisfy you. Thank you for your trust!
Description
Still searching for the most durable bike inner tube? Stop looking up now and try ours. It will exceed your expectation!
Features:
Made To Last: The bicycle mtb inner tube is made with steady and durable butyl rubber. It shows amazing sealing performance, ozone resistant, anti-aging and electrical insulation merits.
Size Available: The bike tube 20×4'. It fits tyre width 4''.
Comfort is the first: The replacement tires ensure better shock absorption for upgrade riding experience. Your safety and comfort is our top concern.