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Old 05-26-08, 12:22 PM   #1
robertmccormack
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Shimano Deore XT FD-M735 Triple front derailleur capacity

Does anyone out there know the tooth capacity of a Shimano Deore XT FD-M735 Triple front derailleur (7-8 speed, from the mid 90's I think)? I have a chance to buy a pretty expensive one and I want to get this right before forking over the big bucks.
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Old 05-26-08, 03:18 PM   #2
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Do you mean chain ring size?
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Old 05-26-08, 06:20 PM   #3
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48/38/28?
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Old 05-26-08, 11:59 PM   #4
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Hi, Bill,
Actually I meant a figure like 22 teeth. Also, does anyone out there know if this would fit a road triple 50/40/28.
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Old 05-27-08, 12:02 AM   #5
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Hi,

Thanks. Do you happen to know if this would fit a road triple 50/40/28?
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Old 05-27-08, 12:55 AM   #6
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Go to this link, and you can see which cranks were used with that DER.
http://www.fa-technik.adfc.de/Herste...o/Gruppen.html

FC-M730-A is one and it was a 24-36-46.

It would probably "work" OK, but not as well as an FD designed for the larger size"road" rings. (theoretically at least)
The radius will be a little more "acute".
This is being a bit "fussy".
EDIT- It does have the same "increments" between rings, which would be "points for".
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Old 05-27-08, 07:10 AM   #7
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Dear Bill,

Thanks for the info. Do you happen to know what derailleur Shimano made at around that time that was actually designed for road triples like 50-40-28? I have an 8-speed cassette-- is that crucial, or could I also go for a nine speed front derailleur?
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Old 05-27-08, 09:02 AM   #8
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As i understand it, 9 and 10 speed frnt der have a narrower cage that may not work as well with a wider 7/8 speed chain. None retro something like this might work:
http://www.nashbar.com/profile.cfm?c...t%20Derailleur

To go to 9 speed cass. would require new shifters and alot more work.
Eric
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Old 05-27-08, 05:49 PM   #9
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You should be fine with a 9sp road FD...

The XT you originally mentioned would probably work, might not shift quite as well...
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Old 05-28-08, 03:58 AM   #10
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Quote:
Originally Posted by robertmccormack View Post
Dear Bill,

Thanks for the info. Do you happen to know what derailleur Shimano made at around that time that was actually designed for road triples like 50-40-28? I have an 8-speed cassette-- is that crucial, or could I also go for a nine speed front derailleur?
http://www.fa-technik.adfc.de/Herste...o/Gruppen.html
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Old 05-28-08, 05:05 AM   #11
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Thanks!
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