1. New 4.0 TPU inner tube with 30% improved overall performance, imported material delivers better heat resistance. 2. Ultra light weight, 67% lighter than traditional butyl tubes, lowers rolling resistance for smoother riding. 3. Great puncture and tear resistance, handles gravel and thorns to reduce blowout risks. 4. All?metal valve and core, air tightness inspection before shipment for reliable sealing. 5. Elastic TPU material, multiple sizes available to fit most road and mountain bike tires. 6. Repairable and easy to install, ideal for long distance rides, races and daily cycling.
