Question about shimano 105 FD-5600 compatibility
06-09-10, 09:18 AM
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Question about shimano 105 FD-5600 compatibility
I bought a cyclocross bike with the shimano 105 groupset, but it has a 46/36 chainring. I want to changeover to a 50/34 compact crankset, but in the specs for my front derailuer (fd-5600), it says it can accomodate 15 teeth difference in chainring size only. There seem to be a lot of bikes available with the shimano 105 front derailuer and a 50/34T crankset. Is it ok to just ignore the specification, or am I missing something when I read the specs? I looked up all the shimano 105 variations on bikes.shimano.com and none of them allow for a 16T difference, except the new for 2010 FD-5700.
Thanks for the help.
Thanks for the help.
06-09-10, 09:56 AM
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Shimano is VERY conservative in their derailleur tooth difference ratings. You should have no problems.
06-09-10, 10:49 AM
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I'd be more concerned about the wrap capacity of the RD.
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06-09-10, 06:46 PM
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I am running that FD with a 50/34 and it shifts fine. I am also running a 12/27 cassette with a standard cage 105 RD with no problems.
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