P ZERO SmarTUBE RS

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The Pirelli P ZERO SmarTUBE RS is built for riders who want the lightest, fastest inner tube possible for road racing. Using an advanced TPU construction, it delivers exceptionally low rolling resistance and a dramatic weight reduction compared to traditional butyl tubes. Up to 1.5 watts faster than the standard SmarTUBE thanks to reduced rolling resistance Ultra‑light TPU construction for maximum performance Compact design packs smaller than a traditional tube Presta valve available in multiple lengths (42 mm, 60 mm, 80 mm) Compatible with 700C wheels and 25–28C tires Weighs only 33 g (depending on valve length) Ideal for competitive cyclists looking to minimize system weight, maximize speed, and carry a compact, high‑performance spare tube on race day. Show more