The Derailleur: the Key to Dating Your Vintage Bicycle

The Derailleur: the Key to Dating Your Vintage Bicycle

The Derailleur, the mechanism that is older than your great grandmother, yet it is the miracle drive system of bicycles worldwide. The first samples of a gear changing mechanism can be found as far back as the late 1800s. But first patent for the derailleur can be attributed to Paul De Vivie, a touring cyclist…
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