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  1. #1
    mtbr member
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    Newbie questions

    What is the difference between cassette and freewheel?
    What is the tool that removes and installs them?

    Thanks

  2. #2
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    Reputation: Bikinfoolferlife's Avatar
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    They're similar but think of it this way,

    most current bikes use the freehub system that utilizes a rear set of cogs fixed together as a cassette that slides onto the freehub and held on by a lockring that screws into the end of the freehub body. The Shimano system is dominant in mtn biking, Park's tool probably the most widely used and most easily found.

    Older bikes used freewheels, which was a different method of mounting the cogset, which was also assembled as a cassette, but didn't slide on but rather screwed on as a unit onto the hub/freewheel mechanism; the tool to take these on and off varied with manufacturer and age, and the tools for these are getting rarer and usually use-specific (like bmx or single speed applications).

    Without looking I'd bet you'd get a better description and possibly drawings to show you the differences at www.sheldonbrown.com or www.parktool.com
    "...the people get the government they deserve..."
    suum quique

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