12?12x2?14x2.40 Inner Tube Electric Bicycle Butyl Rubber Inner Tube with Bent Angle Valve gray

Feature: 1. Butyl rubber inner tube has excellent air tightness, good resistance to cold and heat and aging resistance. 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 will never let your electric bicycle go flat with a replacement inner tube tire on hand. Specification: Item Type: Electric Bicycle Inner Tubes Material: Butyl Rubber Product Color: As Pictures Shown Product Weight: App