Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 60mm Presta Valve Touchscreen-Yes Traditional circular cross section

Traditional circular cross section

Also a great fit on the Specialized Stout crankset

the liner’s Custom FIT™ RACE technology increases customization options around the ankle

T47 Inboard threaded bottom brackets are made from machined aluminum and thread together directly into T47 frames

Nordic Construction Heel: External 3D plastic reinforcement

Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 60mm Presta Valve Touchscreen-Yes Traditional circular cross section5% 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 TECH SPECS Wheel Diameter 700C Shaft Type Non threaded Tube Width 25 28C Tube Weight 38g Valve Length 60mm Valve Presta