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  1. #1
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    shimano 105 front der for LHT

    I'm looking for a 105 front derailleur....triple, 9 speed, with the 28.6 clamp size for a LHT. Searches don't bring up exactly what I'm looking for. Who has these in 28.6?

  2. #2
    Senior Member brianmcg123's Avatar
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    I am using the silver Shimano XT Triple Front on my LHT.

    You should check out the IRD triple. It is specially made for smaller triple chainrings.

    http://www.rivbike.com/webalog/shift...urs/17121.html
    Everyone's a roadie, they just might not know it yet.

  3. #3
    fks
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  4. #4
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    Quote Originally Posted by brianmcg123
    I am using the silver Shimano XT Triple Front on my LHT.

    You should check out the IRD triple. It is specially made for smaller triple chainrings.

    http://www.rivbike.com/webalog/shift...urs/17121.html
    $60 sure is steep for that IRD. The LX, XT, and 105 are all right around $30-$35 and from what I've read here, the 105 is the best choice for the sugino XD600 crank (26/36/46). I'm sure they all work fine but I'll try the 105.

    Chain reaction is the first place I've seen the 28.6. Is it really that hard to find? How reliable is chain reaction. Thanks so far

  5. #5
    cyclopath vik's Avatar
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    I walked into my LBS and grabbed a 105 front der that fit without any hassles. Didn't seem like a rare bird at the time.
    safe riding - Vik
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  6. #6
    George Krpan
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    I looked at the Shimano site.
    This is the way it looks to me.

    You buy the FD-5603-B Clamp Band Front Derailleur
    It fits 28.6 WITHOUT an adaptor.

    For 31.8 or 34.9 you buy the Compatible Adapter
    SM-AD11(31.8mm) 1 1/4"
    SM-AD15(34.9mm) 1 3/8"

    The derailleur is available from Performance
    http://www.performancebike.com/shop/....cfm?SKU=19735

  7. #7
    Senior Member barba's Avatar
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    You could also look for a braze on 105 FD and order a 28.6 band on adapter from a bike shop. You could re-use it on a bigger tube bike someday by just getting a new adapter as a bonus feature.

    Harris Cyclery also sells the IRD for $45.95 (and you don't have to pay a "non-member" rate).

  8. #8
    Senior Member brianmcg123's Avatar
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    Quote Originally Posted by yater
    $60 sure is steep for that IRD. The LX, XT, and 105 are all right around $30-$35 and from what I've read here, the 105 is the best choice for the sugino XD600 crank (26/36/46). I'm sure they all work fine but I'll try the 105.

    Chain reaction is the first place I've seen the 28.6. Is it really that hard to find? How reliable is chain reaction. Thanks so far
    You are correct, any of them will probably work fine. That IRD is probably cheaper elsewhere, that was the only place I could get a good picture of it.
    Everyone's a roadie, they just might not know it yet.

  9. #9
    totally louche Bekologist's Avatar
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    easier to find the braze ons with the adaptor clamp.

    ANY local bike shop that orders bike parts will order you a 105 with a 28.6 if shimano still has it in their lineup. QBP usually has a LOT of stuff in stock.

    the place to get parts you can't find on line? GO TO YOUR LOCAL.
    "Evidence, anecdote and methodology all support planning for roadway bike traffic."

  10. #10
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    Yeah...lots of guys are using these on their LHTs so I know they're coming from somewhere. I'd rather not pay $50 locally for a $30 part. I give my lbs plenty of business....but I try to save a buck when possible...that's why I'm asking here.

  11. #11
    fks
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    Quote Originally Posted by yater
    Chain reaction is the first place I've seen the 28.6. Is it really that hard to find? How reliable is chain reaction. Thanks so far

    I have been using Chainreaction for about 3 years and they have been excellent with their service.

  12. #12
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    I gave up on the 105 and went with an LX.

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