Cycling Equipment · Public discussion

Symmetrical cartridge bottom brackets - besides Phil

Started by Bruce Lange · · Last activity · 4 posts · 1,357 views

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Cycling Equipment
Published
23 January 2003
Last activity
23 January 2003
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Bruce Lange
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  1. Does anybody know which standard-taper cartridge bottom brackets, other (cheaper) than Phil Wood,
    are symmetrical?

    I have in front of me a 68x115 Shimano UN-72 that is clearly symmetrical or very, very close
    (within 1 mm).

    But I've seen many UN-(52,53,72,73) bottom brackets that clearly have a right side offset. Are
    certain lengths symmetrical while others are not? Does anybody have a chart that lists offsets? What
    about Race-Face and other "aftermarket" bottom brackets?

    I know Campy makes some, and that wouldn't be a problem except that I want to use a 130 BCD crank
    for the intended application.

    Thanks in advance,

    Bruce

  2. TA? Go to the Peter White site (www.peterwhitecycles.com) and check out his write up on the TA BBs
    and others, including photos and data. Dave "Bruce Lange" <[email hidden]> wrote in message
    news:PdkU9.50572$3v.8276@sccrnsc01...

    Quoted message said:


    Does anybody know which standard-taper cartridge bottom brackets, other (cheaper) than Phil Wood,
    are symmetrical?

    I have in front of me a 68x115 Shimano UN-72 that is clearly symmetrical


    or

    Quoted message said:

    very, very close (within 1 mm).

    But I've seen many UN-(52,53,72,73) bottom brackets that clearly have a right side offset. Are
    certain lengths symmetrical while others are not? Does anybody have a chart that lists offsets?
    What about Race-Face and


    other

    Quoted message said:

    "aftermarket" bottom brackets?

    I know Campy makes some, and that wouldn't be a problem except that I want to use a 130 BCD crank
    for the intended application.

    Thanks in advance,

    Bruce

  3. Check out American Classic

    amclassic.comBBs.html

    Bruce Lange said:

    Does anybody know which standard-taper cartridge bottom brackets, other (cheaper) than Phil Wood,
    are symmetrical?

    I have in front of me a 68x115 Shimano UN-72 that is clearly symmetrical or very, very close
    (within 1 mm).

    But I've seen many UN-(52,53,72,73) bottom brackets that clearly have a right side offset. Are
    certain lengths symmetrical while others are not? Does anybody have a chart that lists offsets?
    What about Race-Face and other "aftermarket" bottom brackets?

    I know Campy makes some, and that wouldn't be a problem except that I want to use a 130 BCD crank
    for the intended application.

    Thanks in advance,

    Bruce

  4. "Bruce Lange" <[email hidden]> wrote in message news:PdkU9.50572$3v.8276@sccrnsc01...

    Quoted message said:


    Does anybody know which standard-taper cartridge bottom brackets, other (cheaper) than Phil Wood,
    are symmetrical?


    -snip-

    We're using a lot of the Tange #LN-56 this year. Nice product.

    --
    Andrew Muzi yellowjersey.orgyellowjersey.org Open every day since 1 April 1971

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