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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Alfine 8 gear crunch

Occasionally under load when taking off on the flat, I would get a crunch, then it runs smoothly. After reading the other post I had tightened the wheel nuts but this has not fixed the issue. I have ...
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Shimano Nexus 3 coaster brake screeching sound

When I brake hard/er with my Shimano Nexus 3 coaster brake it makes a loud screeching sound. Like really loud, everybody on the street would hear it and turn around. Since I know it's all internal all ...
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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". ...