Ultralite 650 X 19/23 - Presta 42mm

Ultralite tubes are the lightest butyl inner tubes in our range, designed for competition and improved performance. Made of synthetic rubber for high elasticity. The inner tube is precisely extruded using only the best rubber compounds, vulcanized, this process creates a uniform thickness of 0.65mm. Ultralite inner tubes are 100% quality controlled to provide reliable air retention.