SIZE: 33mm Schrader (Regular valve).Fits all 24"x1.75/2.125 bike tire tubes
Installation Precautions: Please check the side of your tire for the tire size your bike uses
MORE DURABLE: The bike tube is made from premium butyl rubber. It features better sealing performance, ozone resistant, anti-aging, shock absorption and electrical insulation merits
Easy To Install: Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Hassle free to replace your old tire tubes within minutes which is time saving and efficient
Safe Bike Tires: The butyl rubber tire tube replacement absorbs shocks on bump road for a comfort and safe ride. It is heat resistant and stands wear and tear for daily use
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