Pirelli P Zero SmarTube RS Tube - 700 x 26 - 35mm 42mm Presta Valve. The P ZERO SmarTube RS is designed for cyclists who demand only the best. Compared to the standard model it offers up to 1.5 watts more speed thanks to reduced rolling resistance maximizing every pedal stroke. Available in a wider and more complete range of sizes it guarantees the perfect fit for every setup. Lab tests show that a tubeless-ready setup with the standard SmarTube rolls as fast as one with sealant—but without the mess or maintenance.

Every pedal stroke becomes more efficient and responsive: the ideal ally for riders seeking peak road performance

P ZERO SmarTube RS combines an ultra-lightweight design with lower rolling resistance delivering up to 1.5 watts more speed compared to the standard version

Available in a more complete range of sizes and with presta valves in various lengths to fit perfectly with any rim setup and depth. Maximum compatibility without compromising performance or practicality