✅ 20"BIKE INNER TUBE DIMENTIONS:20x3.0/3.5 Bike Tubes Are Suitable for Tire Size 20x3.0 to 20x3.5 Inch,for Mountain and Cruiser Bicycles.With Durable Schrader Valve 32 mm.(Note:In order for you to choose the appropriate inner tube,please first check the size on the outer tire of your bicycle,which is usually displayed on the side of the outer tire.)
✅ HIGH QUALITY BUTYL RUBBER:Using High-Quality Butyl Rubber,It Has Good Air Tightness,Good Shock Absorption Effect,Strong Stability,Cold & Heat Resistance.
✅ HEAVY DUTY DESIGH:In Order to Meet Customers'Demand for High Durability of 20 Inch Bike Inner Tube,We Have Designed This Thickened Inner Tube.Heavy Duty 20x3.0 Bike Tubes Are Thicker Than Other Ordinary Inner Tubes,With A Visible Difference.Effectively Improved Puncture Resistance and Service Life.
✅ WHY TO CHOOSE OUR HEAVY DUTY TUBES:It Is Puncture Resistance,Better Air Retention,Great Durability.
✅ PORTABLE&EASY TO INSTALL:It Is Compact,Easy to Carry,Can Be Used As Backup Tubes for Your Cycling Journey.Please Refer to The Installation Steps on Our Product Page for Installation.