2Pcs 4.80/4.00-8 Inner Tubes with TR-87 Valve Stem, Replacement Tire Tubes for L
TR-87 Bent Valve Stem – Easy & Secure Inflation: Equipped with a durable TR-87 bent valve stem and protective cap, this inner tube supports smooth, stable inflation. Installation Notice: For optimal performance, slightly inflate the inner tube before installation to avoid twisting and ensure the tire bead seats evenly on the rim.