Pirelli P ZERO SmarTUBE EVO Tube Weight:40g Junior Size: Head Size 6

Junior Size: Head Size 6 1/2 - 7 Circumference 20 1/4" - 21 7/8"

featuring a stunning Royal and Mint colorway and the refined Wingtip 200 pattern

Delivering vintage varsity style for modern hoops fans

Tire Compound : ZSG AGILE

100% cotton twill

Pirelli P ZERO SmarTUBE EVO Tube Weight:40g Junior Size: Head Size 65% 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 Valve : Presta Shaft Type : Non threaded Wheel Diameter : 700C Tube Width : 25 28C