The OPTIS (Odyssey Pneumatic Tire Insert System) is a lightweight, tunable, tyre insert, which is inflated with a bike pump rather than arriving as a fully turgid foam strip. Similar to a motorcycle ...
Tires filled with pressurized inner tubes have helped to propel all kinds of bicycles for the past 100 years, but these tires are vulnerable to puncturing and require regular inflation. Airless bike ...
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