Pirelli Angel SmarTube X Tube - 700 x 42 - 62mm 42mm Presta Valve Model-Avid Code (2007-10) Both are offered in Blue

Both are offered in Blue

Super Fluid Drive riveted steel rings

Nordic - Closing system    Performance Velcro strap

while BOA's micro-adjustable system delivers a super-anatomic fit that optimizes precision and provides unmatched energy transmission

Pirelli Angel SmarTube X Tube - 700 x 42 - 62mm 42mm Presta Valve Model-Avid Code (2007-10) Both are offered in Blue70% 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 TECH SPECS Tube Weight 181g Valve Presta Valve Length 42mm Shaft Type Non threaded Tube Width 42 62c Wheel Diameter 700C