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. Features Presta valve: 42mm length to work with the majority or rim depths. Weight: 700x40/50c PV - 150g. Intended solely for Disc Brake...
Best Price: £19.99 from Merlin Cycles