Item DescriptionStandard .85mm wall thickness butyl tubeLL designates tubes with new Low Lead content valve, complying with pending CPSIA standards for tubes 24" and smallerSold each (Kenda"s standard butyl case pack quantity is 50 pieces)Item Specificationstire size: 700c (27")tire width: 35-43c (1-3/8")valve: Presta (threaded)length: 33mmpackage: boxed/each: