Bicycle gear ratios explained

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Bicycle gear ratios explained

Cyclist Bicycle gear ratios explained The first bicycles had only one gear. By the mid-19th century, this had increased to two, and the number of gears has risen consistently ever since such that today it is possible for a bike to have 81 gears (oh yes it is: a Sturmey Archer CS-RK3 internally geared three-speed hub with a nine-speed cassette and a triple crankset, since you ask). Of course, more isn’t necessarily better. It’s the range – the ra…