A freewheel or overrunning clutch is a device that allows the driven shaft to rotate faster than the driveshaft without being connected to it. It is used in mechanical or automotive engineering, as part of a transmission system. An overdrive, which is not the same as a freewheel, is often confused with it.
Applications:
- Fixed Gear Bike
- Bike Tryall
- single speed flywheel
- removable





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