105 5700 shifters vs. RD-6600 GS and FD-5600
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  1. #1
    RoadBikeReview Member
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    105 5700 shifters vs. RD-6600 GS and FD-5600

    In my upgrade process I'm considering replacing the 105 shifters with modern 5700s. As the Shimano compability webpage is off line, here are my questions:

    1) Will 5700 shifters work properly with a 6600 GS rear derailleur?

    2) Will 5700 shifters work properly with a 5600 front derailleur? And...

    3) The original brakes are Shimano, but I don't think they're 105s; so do I need to replace them too?

    Thanks in advance.

  2. #2
    Los Barriles, BCS, Mexico
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    Yes to questions 1 and 2, no issues. You won't need to replace your brakes.
    Trying to cram the rest of my life into the rest of my life!

  3. #3
    Banned Sock Puppet
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    No problems here.

    It was the 5800/6800/9000 generation that Shimano changed the shifting cable pull ratios. 5600/6600/7800 shifting components play fine with 5700/6700/7900.

    As far as braking, cable pull ratios changed between 5600/6600/7800 and 5700/6700/7900. However, the way you are going - 5700/6700/7900 shifters with 5600/6600/7800 brake calipers will work. The other way around will be too spongy.
    "COMPLACENCY IS LETHAL - VOTE in November." - System Shock.

    "With
    bicycles in particular, you need to separate between what's merely true and what's important."
    -- DCGriz, RBR.





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