Specialized's Turbo Ultralight Tube is light, which minimizes rolling resistance, as does the fact that it's more compliant than standard tubes. This tube is also dusted with talc for easy installation. Plus, the valve is only threaded on the bottom so you can secure it with the valve nut and also inflate it safely as there are no threads to damage your pump's head. The Ultralight also has a reinforced valve base for excellent durability.
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