Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 42mm Presta Valve Travel (mm)-35 Opening below knee for optimal

Opening below knee for optimal freedom of movement

8mm width 710mm sweep 8 deg material aluminum color black weight 343g

These briefs provide strong wind and cold protection where you need it most

but still is racy

6mm Color Red

Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 42mm Presta Valve Travel (mm)-35 Opening below knee for optimal5% 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 Shaft Type Non threaded Tube Weight 35g Valve Length 42mm Tube Width 25 28C Valve Presta Wheel Diameter 700C