Pirelli Cinturato Smartube 700 x 28-40 bike inner tube with TPU material, Presta

The Cinturato SmarTUBE X inner tube is made from thermoplastic polyurethane (TPU). It can save up to 70% of the weight of a standard butyl inner tube and nearly 50% of the space in your pockets, while being more durable than butyl as a raw material.

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