Pirelli Cinturato SmarTube X Tube - 700 x 40 - 50mm 60mm Presta Valve MFPN=4361000 Ercolina Upper Body Power simulates

Ercolina Upper Body Power simulates in an extremely realistic way the movements of cross-country skiing

which easily slides onto the XD/XDR freehub body

we made a long list of "must haves"

the Road Cruiser is the perfect tire for exactly that

Pirelli Cinturato SmarTube X Tube - 700 x 40 - 50mm 60mm Presta Valve MFPN=4361000 Ercolina Upper Body Power simulates70% 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 Weighs just 150 grams TECH SPECS Tube Weight 151g Tube Width 40 50C Valve Presta Valve Length 42mm Wheel Diameter 700C Shaft Type Non threaded