Cycling Equipment · Public discussion

move BB axle

Started by Kyle.B.H · · Last activity · 3 posts · 351 views

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Cycling Equipment
Published
7 July 2004
Last activity
7 July 2004
Original author
Kyle.B.H
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3
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  1. My Shimano UN-72 BB has a loose flange on the right, and the main body,
    flangeless, inserts from the left, presumably finding its place in life when
    tightened against the right flange.

    Is there any problem in moving my BB axle to the right say, 2mm, by putting
    some sort of spacer between the right flange and the frame? If so, where
    would I find such a spacer?

    Thanks,

    Kyle

  2. Kyle.B.H said:

    My Shimano UN-72 BB has a loose flange on the right, and the main body,
    flangeless, inserts from the left, presumably finding its place in life when
    tightened against the right flange.

    Is there any problem in moving my BB axle to the right say, 2mm, by putting
    some sort of spacer between the right flange and the frame? If so, where
    would I find such a spacer?

    It's not uncommon to do this to fix a chainline problem.

    Use freewheel sprocket spacers; one source is here:

    http://www.loosescrews.com/index.cgi?c=Bottom%20Bracket&sc=Cup%20Spacers&id=57281497061

    also reached via

    http://tinyurl.com/262e7
    --
    Typoes are a feature, not a bug.
    Some gardening required to reply via email.
    Surrealism is a pectinated ranzel.

  3. Kyle-<< s there any problem in moving my BB axle to the right say, 2mm, by
    putting
    some sort of spacer between the right flange and the frame? If so, where
    would I find such a spacer? >><BR><BR>

    Nope altho it may put the left crank too close to the left chainstay or make
    the crank offset to the right but it is do-able-

    Go to a bike shop, dear Liaza.

    Peter Chisholm
    Vecchio's Bicicletteria
    1833 Pearl St.
    Boulder, CO, 80302
    (303)440-3535
    http://www.vecchios.com
    "Ruote convenzionali costruite eccezionalmente bene"

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