The Pirelli Angel SmarTUBE X Schrader Valve Tube 700x42-62c 42mm is a high-performance TPU inner tube engineered for daily riding and fast urban commuting, offering significant weight savings and enhanced durability compared with traditional butyl tubes. At three times the thickness of a standard SmarTUBE it delivers superior puncture resistance while remaining compact and lightweight, making it ideal for riders who want confident protection without bulk.