What is the difference between a double and a triple FD?
02-19-04, 10:36 AM
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What is the difference between a double and a triple FD?
Can anyone tell me the exact difference between a 105 double and triple FD.
Specifically the difference between a FD-5501 and FD-5504?
Specifically the difference between a FD-5501 and FD-5504?
02-19-04, 10:59 AM
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On a triple der, the cage is slightly wider to accomodate the larger difference between the largest and smallest rings.
02-19-04, 05:24 PM
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Couple of differences that I can see.
Originally Posted by tlippy
Can anyone tell me the exact difference between a 105 double and triple FD.
Specifically the difference between a FD-5501 and FD-5504?
Specifically the difference between a FD-5501 and FD-5504?
1. The triple cage has a much wider inner blade. I assume that's to lift the chain from the granny to the middle chainring better.
2. The triple cage seems to drop lower in back. I assume that's to prevent rubbing if you are in the granny and one of the smaller rear cogs.
