freehub
Sign in to saveAlso known as freehub body
right|thumb|A Shimano Hyperglide (HG) freehub A freehub is a type of bicycle hub that incorporates a ratcheting mechanism.
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- Bicycle free hubs
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6 sectionsContents
- Comparison to freewheels
- History
- Types of freehub body fitments
- See also
- References
- External links
right|thumb|A Shimano Hyperglide (HG) freehub A freehub is a type of bicycle hub that incorporates a ratcheting mechanism.
A set of sprockets (called a "cassette") is mounted onto a splined shaft of the freehub to engage the chain. The ratcheting mechanism is a part of the hub, in contrast to a freewheel, an older technology, which contains both the sprockets and a ratcheting mechanism in a single unit separate from the hub. In many high-end and midrange bicycles, freehubs have replaced freewheel systems.
Connections
cogset
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San Francisco
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bicycle
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International Standard Book Number
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torque
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screw thread
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hex key
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sprocket
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Shimano
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ratchet
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bicycle wheel
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Campagnolo
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bicycle pedal
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bicycle chain
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Birmingham Small Arms Company
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bending moment of force
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SRAM Corporation
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spline
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interference fit
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fork end
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