An internally-geared hub is a gearing system contained within the rear-wheel hub of a bicycle. All the components are contained within the sealed hub, making them less susceptible to the elements when riding. They are generally regarded as lower maintenance than dérailleur gears. Usually they will ...

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Shimano Nexus 7 speed IGH, high gears tight shift

I have the popular Shimano, Nexus 7 speed, internal gear hub. After removing the back wheel to replace the old tire, I've found that changing gears especially from 5 to 6 and 6 to 7 (especially the ...
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Which chainring/sprocket for use with a Sturmey-Archer X-RF8(W) IGH?

To increase the development range on a folding bike, I'd like to replace its three-speed SRAM IGH with a Sturmey-Archer X-RF8(W) IGH. The page says that it accepts a "20 to 23 or 25 teeth sprocket". ...