Australia and New Zealand · Public discussion

Cassette hub body widths

Started by LT · · Last activity · 2 posts · 397 views

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Australia and New Zealand
Published
28 November 2004
Last activity
29 November 2004
Original author
LT
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  1. Hi All,

    Just wondering if cassette body widths are all meant to be the same? By
    that I mean, should all campag commpatible hubs have the same cassette width
    (I'd assume so as they fit the same cassettes), so therefore wheels built on
    different hubs should be interchangeable with each other...

    The reason I ask is that I recently bought a wheelset built on Centaur hubs,
    and already had a Velomax Tempest 2 wheelset, and I can't seem to swap the
    wheels in and out as the rear derailleur limit screws need to be different
    for the different wheels. Now I would have thought since the cassette sits
    right against the frame, and the cassettes are the same width, they should
    be interchangeable...

    If someone could explain why this isn't working that would be great - it's a
    bit of a pain having these wheels and not really being able to use them
    without changing the derailleur settings :-(

    Thanks

    Luis

  2. "LT" <luis_the at NOSPAM.yahoo.com

    Quoted message said:

    Just wondering if cassette body widths are all meant to be the same?

    Um.. nope. 5/6/7/8/9/10 speed cassettes can be different widths
    to allow for the extra cogs.

    Quoted message said:

    that I mean, should all campag commpatible hubs have the same cassette


    width

    Quoted message said:

    (I'd assume so as they fit the same cassettes), so therefore wheels built


    on

    Quoted message said:

    different hubs should be interchangeable with each other...

    Hubs are different widths as well and dropouts are spaced
    differently to cater for this, ie. 120mm - track bikes, 135mm - mtb's

    See here: http://www.sheldonbrown.com/frame-spacing.html

    Quoted message said:

    The reason I ask is that I recently bought a wheelset built on Centaur


    hubs,

    Quoted message said:

    and already had a Velomax Tempest 2 wheelset, and I can't seem to swap the
    wheels in and out as the rear derailleur limit screws need to be different
    for the different wheels. Now I would have thought since the cassette


    sits

    Quoted message said:

    right against the frame, and the cassettes are the same width, they should
    be interchangeable...

    Are you sure the cassettes are the same width?
    The way the wheel has been built could effect the location of
    the hub on the axle (dishing gives more space for larger cassettes).
    Maybe you need to shift the position of the hub on the axle?

    hippy

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