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Can this frame be saved?

Started by Ryan Cousineau · · Last activity · 16 posts · 601 views

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Cycling Equipment
Published
5 March 2008
Last activity
6 March 2008
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Ryan Cousineau
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  1. So a few years ago I got a really good deal on a lightly used aluminum
    frame that had a non-removable derailer hanger. It's an older Fetish
    Cycles SAC, if anybody knows the model.

    Last year that deal got worse when I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger.

    Now that it's time to go racing, I'm looking at this pretty frame and
    trying to figure out if I can revive it.

    Notable points:

    1) I was able to mostly unbend the hanger. I'm not even going to try
    using it if I can't get it properly aligned. I'm dumb, but not that dumb.

    2) how much structural integrity am I going to lose from "cold-setting"
    this hanger? On one hand, a derailer hanger isn't a load-bearing frame
    part. On the other hand, I don't want it to break off.

    3) there's a crack on the outside of the derailer hanger. It's not that
    deep, and I have a nutty idea I can file it out of existence. I'd trust
    the remaining thickness of aluminum to hold the derailer, but I've
    already bent it around a lot, thus losing some strength.

    Even writing this, re-using the old derailer hanger sounds dubious to
    me. Which brings me to...

    4) is it possible to cut the old derailer hanger off, tap some holes,
    and bolt a new hanger into place? It would presumably have to be a
    fairly specialty item for saving Al frames like this one, since it would
    have to bolt to the outside of the dropout and then S-bend under the
    dropout to fit into the normal derailer hanger location.

    I'm not doomed if the frame can't be saved (the older race bike frame is
    still back in the shed) but I would like to re-use this thing.
    Otherwise, I guess I buy an ENO hub and make a singlespeed out of it.

    --
    Ryan Cousineau [email hidden] http://www.wiredcola.com/
    "My scenarios may give the impression I could be an excellent crook.
    Not true - I am a talented lawyer." - Sandy in rec.bicycles.racing

  2. Ryan Cousineau said:

    So a few years ago I got a really good deal on a lightly used aluminum
    frame that had a non-removable derailer hanger. It's an older Fetish
    Cycles SAC, if anybody knows the model.

    Last year that deal got worse when I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger.

    Now that it's time to go racing, I'm looking at this pretty frame and
    trying to figure out if I can revive it.

    Notable points:

    1) I was able to mostly unbend the hanger. I'm not even going to try
    using it if I can't get it properly aligned. I'm dumb, but not that dumb.

    2) how much structural integrity am I going to lose from "cold-setting"
    this hanger? On one hand, a derailer hanger isn't a load-bearing frame
    part. On the other hand, I don't want it to break off.

    3) there's a crack on the outside of the derailer hanger. It's not that
    deep, and I have a nutty idea I can file it out of existence. I'd trust
    the remaining thickness of aluminum to hold the derailer, but I've
    already bent it around a lot, thus losing some strength.

    Even writing this, re-using the old derailer hanger sounds dubious to
    me. Which brings me to...

    4) is it possible to cut the old derailer hanger off, tap some holes,
    and bolt a new hanger into place? It would presumably have to be a
    fairly specialty item for saving Al frames like this one, since it would
    have to bolt to the outside of the dropout and then S-bend under the
    dropout to fit into the normal derailer hanger location.

    I'm not doomed if the frame can't be saved (the older race bike frame is
    still back in the shed) but I would like to re-use this thing.
    Otherwise, I guess I buy an ENO hub and make a singlespeed out of it.

    --
    Ryan Cousineau [email hidden]://www.wiredcola.com/
    "My scenarios may give the impression I could be an excellent crook.  
    Not true - I am a talented lawyer." - Sandy in rec.bicycles.racing

    A. Muzi's got pics on his site of doing this before. They actually
    ground out a recess in the dropout for an off-the shelf model to fit.

    http://www.yellowjersey.org/rlfix.html

  3. "Ryan Cousineau" wrote: clip) there's a crack on the outside of the
    derailer hanger. It's not that

    Quoted message said:

    deep, and I have a nutty idea I can file it out of existence.(clip)


    is it possible to cut the old derailer hanger off, tap some holes,

    Quoted message said:

    and bolt a new hanger into place?


    ^^^^^^^^^^^^^^^^^^^
    As you say, the deraileur hanger doesn't carry any of the frame stresses,
    and it will be stronger with a smooth rounded groove than with a crack. You
    could also consider having someone with a TIG welder run a bead where the
    crack is. I would prefer that to drilling and tapping.

  4. In article
    <[email hidden]>,

    Hank said:
    Ryan Cousineau said:

    So a few years ago I got a really good deal on a lightly used aluminum
    frame that had a non-removable derailer hanger. It's an older Fetish
    Cycles SAC, if anybody knows the model.

    Last year that deal got worse when I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger.

    Now that it's time to go racing, I'm looking at this pretty frame and
    trying to figure out if I can revive it.

    Notable points:

    1) I was able to mostly unbend the hanger. I'm not even going to try
    using it if I can't get it properly aligned. I'm dumb, but not that dumb.

    2) how much structural integrity am I going to lose from "cold-setting"
    this hanger? On one hand, a derailer hanger isn't a load-bearing frame
    part. On the other hand, I don't want it to break off.

    3) there's a crack on the outside of the derailer hanger. It's not that
    deep, and I have a nutty idea I can file it out of existence. I'd trust
    the remaining thickness of aluminum to hold the derailer, but I've
    already bent it around a lot, thus losing some strength.

    Even writing this, re-using the old derailer hanger sounds dubious to
    me. Which brings me to...

    4) is it possible to cut the old derailer hanger off, tap some holes,
    and bolt a new hanger into place? It would presumably have to be a
    fairly specialty item for saving Al frames like this one, since it would
    have to bolt to the outside of the dropout and then S-bend under the
    dropout to fit into the normal derailer hanger location.

    I'm not doomed if the frame can't be saved (the older race bike frame is
    still back in the shed) but I would like to re-use this thing.
    Otherwise, I guess I buy an ENO hub and make a singlespeed out of it.

    Quoted message said:

    A. Muzi's got pics on his site of doing this before. They actually
    ground out a recess in the dropout for an off-the shelf model to fit.

    http://www.yellowjersey.org/rlfix.html

    Excellent! That is pretty much exactly what my bike's hanger looked
    like, both in style and in damage. This gives me great hope that I am no
    further from a frame repair than a bit of measuring, a hanger, and a bit
    of quality time with a Dremel.

    --
    Ryan Cousineau [email hidden] http://www.wiredcola.com/
    "My scenarios may give the impression I could be an excellent crook.
    Not true - I am a talented lawyer." - Sandy in rec.bicycles.racing

  5. Ryan Cousineau said:

    ..I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger...I'm looking at this pretty frame and trying to figure out if I can revive it.

    Easiest, but least elegant fix is to find an adaptor claw(has been available from Harris Cyclery) which basically is a der hanger that is clamped in place by the rear axle. Once you've gotten hold of an adapter claw youi can simply hacksaw the bent one off.

  6. On Mar 5, 1:36 am, dabac <[email hidden]>

    Quoted message said:
    Ryan Cousineau said:

    ..I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger...I'm looking at this pretty
    frame and trying to figure out if I can revive it.

    Easiest, but least elegant fix is to find an adaptor claw(has been
    available from Harris Cyclery) which basically is a der hanger that is
    clamped in place by the rear axle. Once you've gotten hold of an adapter
    claw youi can simply hacksaw the bent one off.

    --
    dabac

    Not to be a naysayer, but I don't know of any adapter claws that work
    on frames with vertical dropouts, as nearly all aluminum frames are.

  7. Hank said:

    On Mar 5, 1:36 am, dabac <[email hidden]>

    Quoted message said:
    Ryan Cousineau said:

    ..I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger...I'm looking at this pretty
    frame and trying to figure out if I can revive it.

    Easiest, but least elegant fix is to find an adaptor claw(has been
    available from Harris Cyclery) which basically is a der hanger that is
    clamped in place by the rear axle. Once you've gotten hold of an adapter
    claw youi can simply hacksaw the bent one off.

    --
    dabac

    Not to be a naysayer, but I don't know of any adapter claws that work
    on frames with vertical dropouts, as nearly all aluminum frames are.

    Trivial to make/adapt one.

    Or try Shimano sh-43520/sh-43526.

  8. On Mar 5, 7:19 am, _ <[email hidden]>

    Quoted message said:
    Hank said:

    On Mar 5, 1:36 am, dabac <[email hidden]>

    Quoted message said:

    Ryan Cousineau Wrote:

    Quoted message said:
    Quoted message said:

    >  ..I dumped my rear derailer into the
    > rear wheel and I bent that derailer hanger...I'm looking at this pretty
    > frame and trying to figure out if I can revive it.

    Quoted message said:
    Quoted message said:

    Easiest, but least elegant fix is to find an adaptor claw(has been
    available from Harris Cyclery) which basically is a der hanger that is
    clamped in place by the rear axle. Once you've gotten hold of an adapter
    claw youi can simply hacksaw the bent one off.

    Quoted message said:
    Quoted message said:

    --
    dabac

    Quoted message said:

    Not to be a naysayer, but I don't know of any adapter claws that work
    on frames with vertical dropouts, as nearly all aluminum frames are.

    Trivial to make/adapt one.

    Trivial? Sorry, I left my mill and lathe in my other pants.

  9. "Ryan Cousineau" <[email hidden]> wrote in message
    news:rcousine-359281.19473304032008@[74.223.185.199.nw.nuvox.net]...

    Quoted message said:

    So a few years ago I got a really good deal on a lightly used aluminum
    frame that had a non-removable derailer hanger. It's an older Fetish
    Cycles SAC, if anybody knows the model.

    Last year that deal got worse when I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger.

    Now that it's time to go racing, I'm looking at this pretty frame and
    trying to figure out if I can revive it.

    Notable points:

    1) I was able to mostly unbend the hanger. I'm not even going to try
    using it if I can't get it properly aligned. I'm dumb, but not that dumb.

    2) how much structural integrity am I going to lose from "cold-setting"
    this hanger? On one hand, a derailer hanger isn't a load-bearing frame
    part. On the other hand, I don't want it to break off.

    3) there's a crack on the outside of the derailer hanger. It's not that
    deep, and I have a nutty idea I can file it out of existence. I'd trust
    the remaining thickness of aluminum to hold the derailer, but I've
    already bent it around a lot, thus losing some strength.

    Even writing this, re-using the old derailer hanger sounds dubious to
    me. Which brings me to...

    4) is it possible to cut the old derailer hanger off, tap some holes,
    and bolt a new hanger into place? It would presumably have to be a
    fairly specialty item for saving Al frames like this one, since it would
    have to bolt to the outside of the dropout and then S-bend under the
    dropout to fit into the normal derailer hanger location.

    I'm not doomed if the frame can't be saved (the older race bike frame is
    still back in the shed) but I would like to re-use this thing.
    Otherwise, I guess I buy an ENO hub and make a singlespeed out of it.

    --
    Ryan Cousineau [email hidden] http://www.wiredcola.com/
    "My scenarios may give the impression I could be an excellent crook.
    Not true - I am a talented lawyer." - Sandy in rec.bicycles.racing

    I had that happen to me. sort of anyway, cause of the ice cold.
    A bike mechanic at Cap's said if the drop out was horizontal you could fit a
    derailleur holder in with the wheel but if it is straight down like mine it
    would take $150 to fix. I left the bike for scrap. Just saved the seat
    part, and wheels. oh and the eyelet for the derailleur was stripped with
    not enough metal surrounding to re-thread it.
    don't know it that helps : )

  10. Quoted message said:
    Quoted message said:
    Ryan Cousineau said:

    ..I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger...I'm looking at this pretty
    frame and trying to figure out if I can revive it.

    Quoted message said:
    dabac said:

    Easiest, but least elegant fix is to find an adaptor claw(has been
    available from Harris Cyclery) which basically is a der hanger that is
    clamped in place by the rear axle. Once you've gotten hold of an adapter
    claw youi can simply hacksaw the bent one off.

    Hank said:

    Not to be a naysayer, but I don't know of any adapter claws that work
    on frames with vertical dropouts, as nearly all aluminum frames are.

    I think this is merely a semantic difference; Hank probably meant the
    stamped-steel style, dabac likely intended one of these:
    http://www.yellowjersey.org/enz.html
    --
    Andrew Muzi
    www.yellowjersey.org
    Open every day since 1 April, 1971

  11. Hank said:

    On Mar 5, 7:19 am, _ <[email hidden]>

    Quoted message said:
    Hank said:

    On Mar 5, 1:36 am, dabac <[email hidden]>
    wrote:
    > Ryan Cousineau Wrote:

    Quoted message said:

    >>  ..I dumped my rear derailer into the
    >> rear wheel and I bent that derailer hanger...I'm looking at this pretty
    >> frame and trying to figure out if I can revive it.

    Quoted message said:

    > Easiest, but least elegant fix is to find an adaptor claw(has been
    > available from Harris Cyclery) which basically is a der hanger that is
    > clamped in place by the rear axle. Once you've gotten hold of an adapter
    > claw youi can simply hacksaw the bent one off.

    Quoted message said:

    > --
    > dabac

    Quoted message said:

    Not to be a naysayer, but I don't know of any adapter claws that work
    on frames with vertical dropouts, as nearly all aluminum frames are.

    Trivial to make/adapt one.

    Trivial? Sorry, I left my mill and lathe in my other pants.

    It's a poor workman who blames his (lack of) tools.

    A hacksaw, hand-drill, and file will suffice. Should probably take less
    than an hour.

  12. Ryan Cousineau said:
    Hank said:

    http://www.yellowjersey.org/rlfix.html

    Excellent! That is pretty much exactly what my bike's hanger looked
    like, both in style and in damage. This gives me great hope that I am no
    further from a frame repair than a bit of measuring, a hanger, and a bit
    of quality time with a Dremel.

    Uh oh! LiveDRUNK with a Dremel. Better stock up on the Bailey's and
    Band-Aids. 😉

    R

  13. RicodJour said:
    Ryan Cousineau said:

    Hank <[email hidden]> wrote:

    Quoted message said:
    Quoted message said:

    http://www.yellowjersey.org/rlfix.html

    Quoted message said:

    Excellent! That is pretty much exactly what my bike's hanger looked
    like, both in style and in damage. This gives me great hope that I am no
    further from a frame repair than a bit of measuring, a hanger, and a bit
    of quality time with a Dremel.

    Uh oh! LiveDRUNK with a Dremel. Better stock up on the Bailey's and
    Band-Aids. 😉

    R

    I've told you before, it's LIVEDRUNK. Just like LIVESTRONG, only
    DRUNKer.

    LIVEDRUNK is all out of Bailey's right now, but has a nice bottle of
    Warre's Warrior in the "medicine" cabinet.

    If this doesn't work out, there's always AA and the Pinarello,

  14. On Wed, 05 Mar 2008 03:47:33 GMT, Ryan Cousineau <[email hidden]>

    may have said:

    So a few years ago I got a really good deal on a lightly used aluminum
    frame that had a non-removable derailer hanger. It's an older Fetish
    Cycles SAC, if anybody knows the model.

    Last year that deal got worse when I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger.

    Now that it's time to go racing, I'm looking at this pretty frame and
    trying to figure out if I can revive it.

    Notable points:

    1) I was able to mostly unbend the hanger. I'm not even going to try
    using it if I can't get it properly aligned. I'm dumb, but not that dumb.

    2) how much structural integrity am I going to lose from "cold-setting"
    this hanger? On one hand, a derailer hanger isn't a load-bearing frame
    part. On the other hand, I don't want it to break off.

    3) there's a crack on the outside of the derailer hanger. It's not that
    deep, and I have a nutty idea I can file it out of existence. I'd trust
    the remaining thickness of aluminum to hold the derailer, but I've
    already bent it around a lot, thus losing some strength.

    Even writing this, re-using the old derailer hanger sounds dubious to
    me. Which brings me to...

    4) is it possible to cut the old derailer hanger off, tap some holes,
    and bolt a new hanger into place? It would presumably have to be a
    fairly specialty item for saving Al frames like this one, since it would
    have to bolt to the outside of the dropout and then S-bend under the
    dropout to fit into the normal derailer hanger location.

    I'm not doomed if the frame can't be saved (the older race bike frame is
    still back in the shed) but I would like to re-use this thing.
    Otherwise, I guess I buy an ENO hub and make a singlespeed out of it.

    You may discover that the der you're using has enough lateral swing
    capacity to allow the employment of a universal der hanger bracket
    that is intended to clamp under the nut of a non-QR axle; these are
    easy to get. If that solution will work, it's probably the least
    potentially troublesome...and it's certainly easy enough.

    --
    My email address is antispammed; pull WEEDS if replying via e-mail.
    Typoes are not a bug, they're a feature.
    Words processed in a facility that contains nuts.

  15. Hank said:
    Ryan Cousineau said:

    So a few years ago I got a really good deal on a lightly used aluminum
    frame that had a non-removable derailer hanger. It's an older Fetish
    Cycles SAC, if anybody knows the model.

    Last year that deal got worse when I dumped my rear derailer into the
    rear wheel and I bent that derailer hanger.

    Now that it's time to go racing, I'm looking at this pretty frame and
    trying to figure out if I can revive it.

    Notable points:

    1) I was able to mostly unbend the hanger. I'm not even going to try
    using it if I can't get it properly aligned. I'm dumb, but not that dumb.

    2) how much structural integrity am I going to lose from "cold-setting"
    this hanger? On one hand, a derailer hanger isn't a load-bearing frame
    part. On the other hand, I don't want it to break off.

    3) there's a crack on the outside of the derailer hanger. It's not that
    deep, and I have a nutty idea I can file it out of existence. I'd trust
    the remaining thickness of aluminum to hold the derailer, but I've
    already bent it around a lot, thus losing some strength.

    Even writing this, re-using the old derailer hanger sounds dubious to
    me. Which brings me to...

    4) is it possible to cut the old derailer hanger off, tap some holes,
    and bolt a new hanger into place? It would presumably have to be a
    fairly specialty item for saving Al frames like this one, since it would
    have to bolt to the outside of the dropout and then S-bend under the
    dropout to fit into the normal derailer hanger location.

    I'm not doomed if the frame can't be saved (the older race bike frame is
    still back in the shed) but I would like to re-use this thing.
    Otherwise, I guess I buy an ENO hub and make a singlespeed out of it.

    bend the ear back. It is not a highly strees part until something stupid
    happens. If bending it back remains tough (if it gets easier you've got
    a crack) restore the thread with an insert
    /Marten

    info(apestaartje)m-gineering(punt)nl

  16. Quoted post said:
    RicodJour said:

    On Mar 5, 2:48 am, Ryan Cousineau <[email hidden]> wrote:

    Quoted message said:
    Quoted message said:

    Hank <[email hidden]> wrote:

    Quoted message said:
    Quoted message said:

    >http://www.yellowjersey.org/rlfix.html

    Quoted message said:
    Quoted message said:

    Excellent! That is pretty much exactly what my bike's hanger looked
    like, both in style and in damage. This gives me great hope that I am no
    further from a frame repair than a bit of measuring, a hanger, and a bit
    of quality time with a Dremel.

    Quoted message said:

    Uh oh! LiveDRUNK with a Dremel. Better stock up on the Bailey's and
    Band-Aids. 😉

    I've told you before, it's LIVEDRUNK. Just like LIVESTRONG, only
    DRUNKer.

    LIVEDRUNK is all out of Bailey's right now, but has a nice bottle of
    Warre's Warrior in the "medicine" cabinet.

    If this doesn't work out, there's always AA and the Pinarello,

    Your impeccable spelling leads me to believe that you're not taking
    LIVEDRUNK very seriously. Then again, you're perfectionism does jibe
    with alcoholic tendencies.

    It's all about the bike...and the bottle - which would be a great name
    for a pub - The Bike and Bottle.

    R

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