Pirelli Cinturato SmarTube Tube - 700 x 28 - 35mm 60mm Presta Valve S.H.I.S.-EC44/28.6lEC44/40 The internal Ultra-Shift™ mechanism controls

The internal Ultra-Shift™ mechanism controls the 13-speed rear derailleur letting the rider shift down by up to 3 sprockets in a single movement

The individual tooth profile has moved from the traditional symmetrical shape to more directional specific design with the intention to create a positive chain roller engagement to help with chain retention critical to prevent chain slip and bounce over rough terrain

Hypergrip blocks for added traction

}Park Tool PAW-6 6-Inch Adjustable Wrench

Pirelli Cinturato SmarTube Tube - 700 x 28 - 35mm 60mm Presta Valve S.H.I.S.-EC44/28.6lEC44/40 The internal Ultra-Shift™ mechanism controlsP 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