Description
PIVOTRAX 20 x 4.0 Fat Bike Inner Tubes are made from durable butyl rubber to provide reliable air retention and consistent performance for fat tire bikes and electric bikes. Designed for everyday riding, these inner tubes help deliver a smooth and stable ride across a variety of surfaces. Sized specifically for 20 x 4.0 inch tires, they are compatible with fat bikes, e-bikes, folding electric bikes, and cargo bikes. The standard Schrader valve allows for easy inflation with most bike pumps and air compressors.