Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 60mm Presta Valve Labeled Size-29 x 2.25 Drop-Stop® chainrings mate with these

Drop-Stop® chainrings mate with these cogs for the ultimate singlespeed drivetrain

This mimics the way you would wax your skis and makes for a more natural skin skiing experience

-Compatible with 6mm bolt/axle

-01: 1-1/4 receiver

Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 60mm Presta Valve Labeled Size-29 x 2.25 Drop-Stop® chainrings mate with these5% 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