【Important Note】When changing a bicycle inner tube, be sure to add a little air before installing it. We hope to do better in terms of tire quality in order to provide you with better service and satisfactory products; If you have any questions about product quality within a year, you can contact us; You need to provide relevant pictures and information so that we can respond quickly and save you valuable time This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Important Note: When changing a bicycle inner tube, be sure to add a little air before installing it. Fits all 26" x 4.5/5.0" tires & tubes. compatible with Road bike /Mountain bike Tire ( ETRTO : 114-559/127-559 ) bicycle tire tubes. [High Quality... Size: AV32mm (Regular valve)., Fits all 26 x 4., 5/5., 0 tires & tubes. Thank you for your trust! Need a Fat Bike Tube? Tube King has you covered. We've all sizes, types and brands of Fat Bike inner tubes and all at the lowest prices Easy Installation: Installation is quick and easy. High Quality: The bike tube is made from premium butyl rubber. Please follow inflation guide when airing a tire from a complete flat. 2 Pcs 26" Fat Bike Tubes 26x4.5/5.0 AV32MM Schrader Valve 114 127 559 Compatible With 26 X 4 5 26 X 4 8 26 X 4 9 26x5 0 E Bike Bicycle Fat Tire Tubes Bike Tires & Tubes - CF CYCLE FACTOR / Bike Tires & Tubes / Cycling It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation Please confirm that it is a product purchased at our shop YunSCM. 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. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat.