Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 42mm Presta Valve ModelNumber=281 37 BB/Frame Interface English BB

37 BB/Frame Interface English BB Shell Width (mm) 68 Spindle Interface Type Square Taper JIS Spindle Length 107 Defined Color Black

Color Black Ring Position/Type Outer Tooth Count 50 Drivetrain Speeds 9 Chainring BCD 110 Material Aluminum Defined Color Black

Paintwork protection film for the frame and fork is included

Compliant tuned front wheel improves handling and maximizes grip and control in turns

Pirelli P Zero SmarTube EVO Tube - 700 x 25 - 28mm 42mm Presta Valve ModelNumber=281 37 BB/Frame Interface English BB5% 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