Về Apeiron innovations, llc

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The light-weight, efficiently simple, interchangeable expanding gear system for bicycles. Patent No. 10,167,055 issued January 1, 2019! The system eliminates: Chain droppage due to changing between discrete chain-rings. Chain wear due to rubbing and friction of front derailleur. Chain stretch due to small to large gearing differences between front and rear gears. The system allows a…