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Mixin' and Matchin'

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Mixin' and Matchin'

Old 05-15-10, 08:09 PM
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rorban
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Mixin' and Matchin'

I know you can interchange components, but will a drivetrain like Shimano 105s - Dura-ace work with trigger shifters as you find on mountain bikes. I know you probably don't want to Mix and Match top of the line components but I was just using it as an example. Also, what are the things that are most missed when putting drop bars on an already flat bar bike? Other than changing out the brake levers and shifters....

Thanks in advance
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Old 05-15-10, 08:23 PM
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there is a line of non-series road flatbar shifters
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Old 05-15-10, 08:59 PM
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Shimano rear derailleurs work with Shimano Rapid Fire shifters.

I haven't done it in several years but Rapid Fire shifters used to work with Shimano indexing road front derailleurs too. Shimano says not to do it but, before they produced flat bar road shifters, Rapid Fire shifters paired with road front derailleurs was a common spec for flat bar tandems. I still have a Specialized hybrid hanging in my basement that has Rapid Fire shifters and a Tiagra triple front derailleur. It shifts just fine.
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Old 05-15-10, 11:18 PM
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Some of the higher end Trek 7.x FX line (I think 7.6 and up) spec a road RD with flat bar shifters. There is/was a 9spd Electra city bike that had a flat bar shifter and Sora RD too.
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Old 05-16-10, 06:20 AM
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A more general answer is that Shimano rear shifters and derailleurs will work together, the requirement is that the number of speeds of the shifter must match the number of cogs on the rear. The exception is 8 speed and earlier Dura-Ace, which only work within the group.
The front is a different story. The cable pull of road shifters is different to MTB shifters. This means a MTB indexed front shifter won't shift a road group front derailleur properly and vice-versa. However, there are some Shimano front derailleurs that are made to be for use with flat-bar road bikes, I can't remember the models.
The other thing to watch out for are the brakes. If you have linear pull (V-brakes), then drop bar levers won't pull enough cable to work those brakes. There are a couple of work arounds. There are some drop-bar levers specifically made for V-brakes. There is also a product called travel agents that go in-line with the cable to adjust the cable pull.
If you want to change from flat bars to drop bars one other thing you will miss will be dollars in your wallet, this is rarely a cost effective change.

Last edited by Steev; 05-16-10 at 06:23 AM.
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