A prototype of the system, with its wacky two valve stems
So, you've upgraded your mountain bike's clincher tires to tubeless, and now you figure you're all up-to-date and on the cutting edge, right? Well, perhaps not for much longer. German tire-maker Schwalbe and bike parts manufacturer Syntace have developed a tubeless dual-chamber tire and wheel system, that they claim should offer better performance than your current old-school single-chamber tires.
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