Pirelli Angel SmarTUBE X Tube Weight:189g The popular Pro-I web is

The popular Pro-I web is paired with a 200 pattern

Their synthetic upper is lined with soft textile for a comfortable feel on the pitch

Double-ply cowel

The whole hand makes contact with the handle and friction losses between the hand and the handle are avoided

Pirelli Angel SmarTUBE X Tube Weight:189g The popular Pro-I web is70% weight savings compared to conventional tubes 50% smaller than conventional tubes 3x thicker than standard SmarTUBES Not for use with rim brakes Not designed to be repaired Constructed of Thermoplastic Polyurethane Shaft Type : Non threaded Wheel Diameter : 700C Valve Length : 42mm Tube Width : 42 62c