Flat tires suck. You know it, I know it. Puncture-free, non-pneumatic tires have been around a while, but the trade-offs are hard to live with. However, Tannus Airless Tires claims its new Slick tire ...
Your local dealer has been filling his tubes with something other than air, then sucking on the valves. At face value, the idea that something smooth has lower rolling resistance than something rough ...
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