01 16x2.125 Inner Tube, Comfortable and Safe Simple Installation Time‑saving and Efficient Electric Bicycle Inner Tubes for Travel for Home

• Using butyl rubber material, it has better air tightness, heat resistance and durability.
• It can be used normally for more than 100 days after inflating, and it is the most commonly used inner tube material.
• Simple installation, and the old tire inner tube can be easily replaced within a few minutes, which is time‑saving and efficient.
• The butyl rubber tire inner tube can absorb the vibration of uneven roads, thus ensuring comfortable and safe driving.
• Equipped with a bent valve, it widly fit 16 inch wheel, width is 2.125 inch tires.

Feature: 1. Using butyl rubber material, it has better air tightness, heat resistance and durability. 2. It can be used normally for more than 100 days after inflating, and it is the most commonly used inner tube material. 3. The butyl rubber tire inner tube can absorb the vibration of uneven roads, thus ensuring comfortable and safe driving. 4. Simple installation, and the old tire inner tube can be easily replaced within a few minutes, which is time‑saving and efficient. 5. Equipped with a bent valve, it widly fit 16 inch wheel, width is 2.125 inch tires. How to Use: 1. Carefully remove the tires. 2. Remove the tire from the rim. 3. Remove the old inner tube, check the tire damage, find out and eliminate any objects that may cause air leakage. 4. Insert the inner tube valve into the small hole of the steel rim, and put it into the outer tube completely. 5. Assemble the tire on the steel rim. Note: Avoid clamping the inner tube between the steel rim and the tire lip or tool. 6. After ensuring that the inner and outer tires and steel rims are correctly installed, use manual or foot‑operated inflator to inflate slowly. If there is any abnormality, please deflate and reassemble before inflating. Specification: Item Type: Electric Bicycle Inner Tubes Material: Butyl Rubber Product Color: As Pictures Sh