SmarTUBE X: Maximum robustness and puncture resistance, for an urban, gravel or e-bike use. The Pirelli SmarTUBE inner tube family is made of thermoplastic polyurethane TPU) that is a characterised by high elasticity and mechanical resistance, and extreme lightness. Pirelli SmarTUBE X TPU inner tubes are designed for use with the Pirelli CINTURATO and ANGEL tyre families: three times thicker than the first generation CINTURATO SmarTUBE, the SmarTUBE X offers an increased level robustness and puncture resistance. It is particularly suitable in city settings or for fast commuting, where their speed and reliability characteristics are highly valued. The SmarTUBE X tubes, in line with Pirelli’s TPU inner tube family, are extremely compact: -50% space taken up in a jersey’s pockets or in the backpack, and up to 70% lighter compared to the traditional butyl inner tubes, these TPU inner tubes make for an excellent space saving back up to carry on longer rides. SmarTUBE X tubes come in a range of Presta and Schrader valves in a range of lengths to suit many different rim profiles. Intended for fast commuting, or endurance oriented set up in combination with the Pirelli CINTURATO and ANGEL Tyres.

- Angel SmarTUBE X;- Presta valve: 42mm length to work with the majority or rim depths, black colour for a clean and understated look;- Schrader Valve: 42mm length to work with the majority or rim depths, black colour for a clean and understated look;- Weight: 700x28/42c PV - 145g, 700x42/62c PV - 183g, 700x28/42c SV - 151g, 700x42/62c SV - 189g