P ZERO SmarTUBE EVO

5% faster than Previous SmarTUBE 70% weight savings compared to conventional tubes 50% smaller than conventional tubes 42mm valve stem = 35 grams Not for use with rim brakes Not designed to be repaired Constructed of Thermoplastic Polyurethane Attributes Tube Weight 35g Tube Width 25-28C Valve Length 42mm Shaft Type Non-threaded Valve Presta Wheel Diameter 700C