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Old 01-17-07, 12:49 PM   #1
yater
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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?
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Old 01-17-07, 02:09 PM   #2
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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
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Old 01-17-07, 02:27 PM   #3
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Chain Reaction Cycles in the UK


http://www.chainreactioncycles.com/M...?ModelID=13626
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Old 01-17-07, 03:10 PM   #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
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Old 01-17-07, 03:12 PM   #5
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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.
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Old 01-17-07, 03:17 PM   #6
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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
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Old 01-17-07, 03:20 PM   #7
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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).
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Old 01-18-07, 07:25 AM   #8
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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.
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Old 01-18-07, 08:33 AM   #9
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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.
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Old 01-18-07, 10:20 AM   #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.
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Old 01-23-07, 02:34 AM   #11
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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.
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Old 01-23-07, 09:10 AM   #12
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I gave up on the 105 and went with an LX.
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