Feature: 1. Made of butyl rubber material, it has better air tightness, heat resistance and durability. 2. The butyl rubber tire inner tube can absorb the vibration of uneven roads, thus ensuring comfortable and safe driving. 3. Simple installation, and the old tire inner tube can be easily replaced within a few minutes, which is time‑saving and efficient. 4. Electric replacement inner tubes are suitable most electric bikes. 5. The tube is equipped with an Bent valve, never let your go flat with a replacement inner tube tire on hand. Specification: Item Type: Inner TubesMaterial: Butyl RubberProduct Color: As Pictures Shown Product Weight: Approx. 146g / 5.2oz Package List: 1 x Inner Tubes Brand: Eotvia Assembled Product Dimensions (L x W x H): 4.72 x 2.76 x 2.36 Inches
