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Tearing rear wheel rims

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Cycling Equipment
Published
4 January 2007
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7 January 2007
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steve
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  1. I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?
    The rim is a 20 spoke "high performance" rim.

    I use the bike for both commuting to work and recreational rides and a
    very occasional Triathlon. The shop says they can build a new wheel for
    $200 which will last "forever" or I can buy a new similar wheel
    (~$150) that will fail every 6000 miles or so or I can by a cheaper
    lower performance wheel that will again "last forever".

    Any thoughts?
    I'm inclined to have the wheel built

    Steve G

  2. steve said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?

    How did it "fail"? Did the spoke holes crack?

    BTW... you can tell us the actual model... others might have experience
    with the same rim.

  3. steve said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?
    The rim is a 20 spoke "high performance" rim.

    I use the bike for both commuting to work and recreational rides and a
    very occasional Triathlon. The shop says they can build a new wheel for
    $200 which will last "forever" or I can buy a new similar wheel
    (~$150) that will fail every 6000 miles or so or I can by a cheaper
    lower performance wheel that will again "last forever".

    Any thoughts?
    I'm inclined to have the wheel built

    Steve G

    I'll wager that it's a Ritchey DS 20 spoke rear.

    I'm ready for my 3rd rear rim replacement on one of those wheels. The
    first time it was an entire section ripping out (noticed the day before
    a 60 mile road race) and this second time it's cracking at the spoke
    holes.

    Anyone know where I can get a Velocity Deep V rim with a 20 spoke hole
    count?

  4. Quoted message said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?
    The rim is a 20 spoke "high performance" rim.

    #1: We can be of more help if you name the offending product. Don't worry
    about trying to protect their reputation; if it deserves protection, others
    will come to its defense.

    #2: How are these rims failing? Do either you or the shop have a theory for
    why?

    Thanks-

    --Mike Jacoubowsky
    Chain Reaction Bicycles
    www.ChainReaction.com
    Redwood City & Los Altos, CA USA

    "steve" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?
    The rim is a 20 spoke "high performance" rim.

    I use the bike for both commuting to work and recreational rides and a
    very occasional Triathlon. The shop says they can build a new wheel for
    $200 which will last "forever" or I can buy a new similar wheel
    (~$150) that will fail every 6000 miles or so or I can by a cheaper
    lower performance wheel that will again "last forever".

    Any thoughts?
    I'm inclined to have the wheel built

    Steve G

  5. quote='Tom_A'steve said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?
    The rim is a 20 spoke "high performance" rim.

    I use the bike for both commuting to work and recreational rides and a
    very occasional Triathlon. The shop says they can build a new wheel for
    $200 which will last "forever" or I can buy a new similar wheel
    (~$150) that will fail every 6000 miles or so or I can by a cheaper
    lower performance wheel that will again "last forever".

    Any thoughts?
    I'm inclined to have the wheel built

    Steve G

    I'll wager that it's a Ritchey DS 20 spoke rear.

    I'm ready for my 3rd rear rim replacement on one of those wheels. The
    first time it was an entire section ripping out (noticed the day before
    a 60 mile road race) and this second time it's cracking at the spoke
    holes.

    Anyone know where I can get a Velocity Deep V rim with a 20 spoke hole
    count?[/QUOTE]
    Velocity USA's web site says that 20H Deep V is available. What color do you want? (Not all colors are available in all drillings).

  6. daveornee said:
    Tom_A said:

    I'll wager that it's a Ritchey DS 20 spoke rear.

    I'm ready for my 3rd rear rim replacement on one of those wheels. The
    first time it was an entire section ripping out (noticed the day
    before
    a 60 mile road race) and this second time it's cracking at the spoke
    holes.

    Anyone know where I can get a Velocity Deep V rim with a 20 spoke hole
    count?


    Velocity USA's web site says that 20H Deep V is available. What color
    do you want? (Not all colors are available in all drillings).

    --
    daveornee

    Black would be nice. The reason I ask is that I noticed that the ERD
    for the 2 rims is almost identical and I could replace the offending
    Ritchey rim with the Deep V without changing spokes...even though the
    Ritchey is offset.

    I've seen that listing on the Velocity site, but I haven't been able to
    locate a source.

    Thanks

  7. Tom_A said:

    Anyone know where I can get a Velocity Deep V rim with a 20 spoke hole
    count?

    Oddsandendos sells 30mm Niobium rims in 20h... don't know if the ERD
    will work for you though. It's about 100g lighter than a Deep V...
    maybe too light for the rear. But I'd like you to try them so you can
    tell us how they hold up. Of course Deep Vs will be ok... but that is
    boring...

    Are those wheels radial on the NDS? Were the failures on the pulling
    spokes?

  8. steve said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?
    The rim is a 20 spoke "high performance" rim.

    I use the bike for both commuting to work and recreational rides and a
    very occasional Triathlon. The shop says they can build a new wheel for
    $200 which will last "forever" or I can buy a new similar wheel
    (~$150) that will fail every 6000 miles or so or I can by a cheaper
    lower performance wheel that will again "last forever".

    Any thoughts?
    I'm inclined to have the wheel built

    Steve G

    No wheel 'lasts forever'. Even if it doesn't get wacked, dented, the
    rim will wear out from braking. "Tearing" rear rims? What does this
    mean, wearing out the sidewalls? It happens. About 5000 miles to wear
    out a sidewall seems a little low to me unless you ride in the
    junk/wet/dirt all the time.

    If the hub is OK, why not rebuild the wheel?? Less than $150 for
    sure-should be in the $90-$100 range, rim, labor(reuse spokes). Hubs,
    when maintained well can last dern near forever.

  9. Ron Ruff said:
    steve said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?

    How did it "fail"? Did the spoke holes crack?

    BTW... you can tell us the actual model... others might have experience
    with the same rim.

    Sorry I don't know the wheel manufacturer (I will look tonight) but
    the bike is a Specialized Allez Elite. The first time the rim failed
    there was a large tear in the rim sidewall. This time it pulled out at
    the spoke nipples.

    Steve G

  10. I know a source of the 700C Velocity Deep V Black 20H for you @ $45 plus shipping. dave at ornee dot net

  11. Qui si parla Campagnolo said:

    If the hub is OK, why not rebuild the wheel??

    'Cause it only has 20 spoke holes, for one thing...

  12. steve said:
    Ron Ruff said:
    steve said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?

    How did it "fail"? Did the spoke holes crack?

    BTW... you can tell us the actual model... others might have
    experience with the same rim.

    Sorry I don't know the wheel manufacturer (I will look tonight) but
    the bike is a Specialized Allez Elite. The first time the rim failed
    there was a large tear in the rim sidewall. This time it pulled out at
    the spoke nipples.

    That would likely be an Alex ALX330 wheelset, no? If there was a tear in
    the rim sidewall, and you're looking for more miles, then go with something
    like a 700c Dyad with really thick sidewalls so it'll go a lot longer. 14k
    miles is not bad for a high-performance racing rim.

    --
    Philip

  13. Hank Wirtz said:
    Qui si parla Campagnolo said:

    If the hub is OK, why not rebuild the wheel??

    'Cause it only has 20 spoke holes, for one thing...

    As others have mentioned, 20h rims are not hard to find(Velocity) and
    the manufacturer, whoever Specialized uses, will have rims as
    well.....TYhe gent is implying that the guy would just throw the
    wheeland hub away, and buy a new wheel, complete..

  14. Ron Ruff said:
    Tom_A said:

    Anyone know where I can get a Velocity Deep V rim with a 20 spoke hole
    count?

    Oddsandendos sells 30mm Niobium rims in 20h... don't know if the ERD
    will work for you though. It's about 100g lighter than a Deep V...
    maybe too light for the rear. But I'd like you to try them so you can
    tell us how they hold up. Of course Deep Vs will be ok... but that is
    boring...

    Yeah...I saw those. But the ERD is different enough that I'd need new
    spokes...I'd really like to be able to re-use the nice black bladed
    spokes.

    Quoted message said:

    Are those wheels radial on the NDS? Were the failures on the pulling
    spokes?

    Nope, they're laced conventionally. Also, the Ritchey DS rims have an
    offset spoke bed to "equalize" the spoke tension, despite this the
    cracks at the spoke holes are on the spokes going to the drive side
    flange. On the first rim, an entire section of the "slanted" drive
    side was cracked along what appeared to be an internal circumferential
    stress riser. Part of the reason I'm thinking the the Velocity would
    be a good replacement is that it's heavier...and thus hopefully would
    have thicker material.

  15. steve said:


    Sorry I don't know the wheel manufacturer (I will look tonight) but
    the bike is a Specialized Allez Elite. The first time the rim failed
    there was a large tear in the rim sidewall. This time it pulled out at
    the spoke nipples.

    I have a 2005 version of that bike. It came with 24 spoke rear and 20
    spoke front Alex 295s. I ran them for 1100 miles and replaced them with
    32 hole Mavics, but 295s are what came on mine, if this helps.

  16. Tom_A said:
    steve said:

    I just got the bad word that my rear rim has failed again. I have
    ridden 14,000 miles on the bike and this will be the 3rd rim. I'm
    told this is "normal". Is this true?
    The rim is a 20 spoke "high performance" rim.

    I use the bike for both commuting to work and recreational rides and a
    very occasional Triathlon. The shop says they can build a new wheel for
    $200 which will last "forever" or I can buy a new similar wheel
    (~$150) that will fail every 6000 miles or so or I can by a cheaper
    lower performance wheel that will again "last forever".

    Any thoughts?
    I'm inclined to have the wheel built

    Steve G

    I'll wager that it's a Ritchey DS 20 spoke rear.

    I'm ready for my 3rd rear rim replacement on one of those wheels. The
    first time it was an entire section ripping out (noticed the day before
    a 60 mile road race) and this second time it's cracking at the spoke
    holes.

    Anyone know where I can get a Velocity Deep V rim with a 20 spoke hole
    count?


    Sure, that's not even difficult, $65

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

  17. Qui si parla Campagnolo said:

    If the hub is OK, why not rebuild the wheel?? Less than $150 for
    sure-should be in the $90-$100 range, rim, labor(reuse spokes). Hubs,
    when maintained well can last dern near forever.

    Many LBSes won't rebuild wheels with old spokes, though.

    Jasper

  18. Quoted message said:
    Qui si parla Campagnolo said:

    If the hub is OK, why not rebuild the wheel?? Less than $150 for
    sure-should be in the $90-$100 range, rim, labor(reuse spokes). Hubs,
    when maintained well can last dern near forever.

    Jasper Janssen said:

    Many LBSes won't rebuild wheels with old spokes, though.

    Yes, that's true but his range was generous. Typically $24 for spokes,
    $25 to build, $60 for the rim sums to $109 for most wheel rebuilds.

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

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