“A hard, strong grey or bluish grey alloy of iron with carbon and usually other elements, used as a structural material and in manufacturing.”

That’s the Oxford Dictionary’s definition of steel. In every application it’s considered to be cold and hard, but uniquely the people who build bicycles out of it are likely to define it much more warmly, emotively, even poetically until you could easily be forgiven for thinking steel was something living and breathing.

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