Pirelli P Zero SmarTube Tube - 700 x 23 - 32mm 60mm Presta Valve Size-9/16 The Sturmey Archer hub automatically

The Sturmey Archer hub automatically changes from low to high gear at approximately 7 mph

The box will have a return label already attached

Extruded filament polyester thread rather than a ring-spun yarn provides a slicker and smoother feeling and helps save weight

40 Tire Width 1

Pirelli P Zero SmarTube Tube - 700 x 23 - 32mm 60mm Presta Valve Size-9/16 The Sturmey Archer hub automaticallyPirelli P Zero SmarTube Tube 700 x 23 32mm 60mm Presta Valve. P Zero SmarTube is the most advanced inner tube in the range. It was designed to match the need for lightness and handling of professional World Tour riders and its first application was inside the P Zero Race Tube SL. Designed with TPU (Thermoplastic Polyurethane) an advanced plastic material characterized by elasticity and mechanical strength. The result is an inner tube that can be up to