joebz@optonline.net wrote: The bushed roller chains go back to 1880.
"History of Renold
The use of 1/2" pitch roller chains goes back to at least 1905 from catalogs I have seen and probably earlier. It was just a preference thing for over 50 years on single speed bikes.
Diamond of the US also made excellent chain, Great Notch, NJ The teens era catalog I have call 1/2" chain the "English Chain" Diamond still produces their 1" roller chain Cross still make chain---do they make bicycle chain? sam lingo,pleasanton tx
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