1)TIRE SPECIFICATION: Suitable for 20 x 3.5/4.0 e-bikes, mountain bikes, beach bikes, and other fat tire bikes. 2 pack Schrader Valve(32mm).2)Premium Butyl Rubber: Our bike tubes are made from eco-friendly and pure butyl rubber. They are not only thicker but also enhance its durability and puncture resistance.3)Better Performance: Aphrokko optimizes the valve and tube wall construction, resulting in improved air tightness and reduced rolling resistance for peak performance4)Smooth riding: These durable bike tubes are rigorously tested to withstand long distances and heavy weights, offering strong wear resistance and leak protection.5)Fast installation: Comes with 2 levers and 4 reflective stickers. Quick and Easy Installation with levers.Trusted outdoors brand ensures peace of mind for you.
