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Thread: Making Shimano Ultegra 6700 work with 52/36 & 11/32

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    Default Making Shimano Ultegra 6700 work with 52/36 & 11/32

    B-screw, Wolftooth, chain length, etc.

    But this isn't going to happen with a 6700 SS rear derailleur, is it? Capacity of the 6700 SS is 33 and the combination of 52/36 and 11/32 is 37. So gotta have the GS or equivalent (like 9 speed mtn rear derailleur)?

    Survey says?
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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    I've got an SS on a bike with 44-30 front and 11-32 cassette, so 35 teeth total. I works very nicely. I think 37 teeth might be pushing it too far though. The GS will work for sure.
     

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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Jbags turn your head.

    I am using WolfTooh on several bikes and installed that on a bunch more with stellar results. I've been able to reliably run a compact chainset (36X50) with a Sunrace 11-40...not a joke. Solid shifting as in bulletproof. You must be exact with the chain length.

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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    With a 52/36 chain wheel the 6700 SS rear der will only be able to shift up to the 7th or 8th largest cog before the upper jockey wheel bangs into the cogs. With a 34/50 chain wheel and 32t cogset the 6700SS WILL shift all the way to the 32t cog and the upper jockey WILL clear the big cog with the adjustment of the B-screw. I’ve done that setup on a large variety ofF-the-peg and custom bikes.

    If you want to use the 52/36 chain wheel you’ll have to use the 6700GS rear der or a 9-speed MTB rear der. A Wolf Tooth will give you the clearance for the upper jockey but it won’t give you the necessary chain wrap.
     

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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Trying to help a friend get to the promised land here. I’d typically just throw money at an issue like this.

    Yeah chain wrap seems to be the problem. I can work the other magic, but I think he’s going to be Schleck vs. Contador on the chain wrap.

    I’ve been looking for derailleur cages to swap. I’ll see if I can find a nice mountain rear derailleur. 6700GS rears seem really scarce.
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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Put into accounts the frame, too: you know that many will use a flimsy hanger that can bent in crosswinds, and with the extra-stress of a chain that's pulling big time...
    Andrea "Gattonero" Cattolico, head mechanic @Condor Cycles London


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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Well we found a 6700A GS - in England. So it is on its way evidently. And my friend ordered an Ultegra 10 speed 11-30 cassette, so pretty sure crisis avoided. He’s just gotten a set of Bora WTO 33 after reading the best carbon clincher wheelset thread I started for him. I think that thread may have sold several WTO wheelsets, courtesy of Mr. Strongin’s (and others’) recommendations.

    Yeah the hanger worries me. It is a Cannondale Evo something or other. Might suggest new WMfg hanger. They are pretty stiff. At the same time, rather not wreck the dropout.
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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    The biggest worry with WMFG hangers is that you cannot adjust them: so pray hard it fits square on the frame to keep the RD aligned.
    Andrea "Gattonero" Cattolico, head mechanic @Condor Cycles London


    "Caron, non ti crucciare:
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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Quote Originally Posted by Gattonero View Post
    The biggest worry with WMFG hangers is that you cannot adjust them: so pray hard it fits square on the frame to keep the RD aligned.
    True. They are either straight, or broken, seemingly. My Cannondale Super Six has a slightly misaligned right rear dropout. I have to use the QR tension to 'align' the hanger-the WM hanger will not yield.

    It would be nice if someone would make steel derailleur hangers.
     

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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Quote Originally Posted by darkmother View Post
    True. They are either straight, or broken, seemingly. My Cannondale Super Six has a slightly misaligned right rear dropout. I have to use the QR tension to 'align' the hanger-the WM hanger will not yield.

    It would be nice if someone would make steel derailleur hangers.
    You can anneal the aluminium one, then tweak it on a vice with vice-grips or a suitable adjustable spanner. But bear in mind the metal will loose part of its properties, there's no free lunch.
    Andrea "Gattonero" Cattolico, head mechanic @Condor Cycles London


    "Caron, non ti crucciare:
    vuolsi così colà dove si puote
    ciò che si vuole, e più non dimandare"

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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Quote Originally Posted by Gattonero View Post
    You can anneal the aluminium one, then tweak it on a vice with vice-grips or a suitable adjustable spanner. But bear in mind the metal will loose part of its properties, there's no free lunch.
    I wonder what you would need to do in order to re-heat treat it afterwards?
     

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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Quote Originally Posted by darkmother View Post
    I wonder what you would need to do in order to re-heat treat it afterwards?
    Heat-treatment is a delicate process that needs to know all the data provided my the manufacturer of the raw material, plus dedicated tooling and experience.
    In short, it's best to not mess around too much.

    Think about cost, if you have a mid or high range groupset then a new RD -should the hanger fail by cracking- will be an expensive mistake. It's not a good idea then to get two hangers and try on the first to see how you get along with. 20 bucks for a hanger is 1/10 of 200 bucks for a new RD.
    Andrea "Gattonero" Cattolico, head mechanic @Condor Cycles London


    "Caron, non ti crucciare:
    vuolsi così colà dove si puote
    ciò che si vuole, e più non dimandare"

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    Default Re: Making Shimano Ultegra 6700 work with 52/36 & 11/32

    Seems like he's gotten it squared away now.

    I usually order a couple WMfg hangers at a time, figuring out one will better than the other and if both are good, then there's backup. And so far, usually both are good.

    I really like their thread-together press fit replacement BB. That's been an install and forget it on my wife's S-Works Amira.
    Jorn Ake
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