Vittoria's Ultra Light Speed inner tubes are made with thermoplastic polyurethane. Besides being completely recyclable, this material offers excellent technical characteristics; it is steady from -47°C up to +100°C. It can be consistently extruded in very thin thicknesses. It has a good elasticity and it is completely airtight, which allows keeping constant air pressure inside for long time. It is resistant to punctures and in case of puncture, the flow of air is slower compared to butyl and latex, which translates to increased safety. In order to reach the incredible 30g lightness and a higher puncture resistance than butyl tubes, Ultra Light Speed are made with the multi-layer co-extrusion technology and are 0,35mm thick. They are extremely thin if compared to butyl inner tubes, which usually are 1mm thick. The welding is performed with high frequency technology.

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