Bikes that have no gears/shifters, and no freewheel - the pedals are always spinning when the bicycle is moving. Note that fixed gear is not the same thing as singlespeed, which has its own tag.

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1answer
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Bottom bracket length without knowing front chainline (fixed gear)

I'm wondering if I can find the right bottom bracket axle (or spindle, whatever it's called) with knowing my crank model (Gipiemme Dual Sprint, Velobase says BB should be 113mm) and rear chainline (I ...
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1answer
42 views

Freewheel sprocket locking up

I was just out riding my bike. Its nothing fancy, just a €300 single-speed with with a flip-flop hub. I usually ride the freewheel side. Today it made some weird noises and decided to lock up / be a ...