Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 42mm Presta Valve 28 Polyurethane top layer remains tacky

Polyurethane top layer remains tacky in wet conditions

The SRAM DUB bottom bracket series has a simple job- to connect crankarms and protect the smooth long-lasting application of power to the drivetrain

and more of the tire maintains contact with the road

}SRAM PressFit GXP 104

Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 42mm Presta Valve 28 Polyurethane top layer remains tacky5% 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 Shaft Type Non threaded Tube Weight 35g Valve Length 42mm Tube Width 25 28C Valve Presta Wheel Diameter 700C