All bikes with the exception of penny-farthings are geared between the crankset and the rear wheel. Most bikes will include a range of gears, so that you can choose one appropriate to where you’re ...
When you were first learning how to ride a bike as a kid, the bike you were learning on probably didn't have any special bells or whistles on it, aside from perhaps a literal bell on the handlebars.
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What do bike gear ratios mean?

Confused about gear ratios and what the numbers used for the different gear ratios mean? Mat Brett explains all and how to ...