Pirelli P Zero SmarTube Tube - 700 x 23 - 32mm 42mm Presta Valve MFPN=70023 Many dual-crown suspensions forks such

Many dual-crown suspensions forks such as the RockShox Boxxer or Fox 40 use non-tapered 1 1/8" steerers

forged alloy

28H front / 28H rear

Tooth Count 34 Ring Position/Type Inner Drivetrain Speeds 11 Chainring BCD 110 Color Black Defined Color Black Material Aluminum

Pirelli P Zero SmarTube Tube - 700 x 23 - 32mm 42mm Presta Valve MFPN=70023 Many dual-crown suspensions forks suchP Zero SmarTube is the most advanced inner tube in the range. It was designed to match the need for lightness and handling of professional World Tour riders and its first application was inside the P Zero Race Tube SL. Designed with TPU (Thermoplastic Polyurethane) an advanced plastic material characterized by elasticity and mechanical strength. The result is an inner tube that can be up to 70% lighter up to 50% more compact and as resistant against