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  1. #1
    Senior Member Pakiwi's Avatar
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    Crankset and other drivetrain compatability

    I have been back riding 7 months and am preparing for a century in September.
    I put the roadbike together with Ultegra 6600 / 6700 parts, but recently after doing hill training I don't have the gears needed to climb a hill that peaks at 19 %. Being a Clydesdale doesn't help either. I have 53 / 39 crankset 12 / 28 chainring
    So today I tried a compact crankset with sugino 48 / 34 chain rings and I was able to climb the hill though I did have to stop to take a break. I don't think the Sugino are a perfect match with the 10 speeds so I need to look for a compact crank 165mm preferably 48/34 as the 50/34 means I need to replace the rear derailleur as this exceeds the max tooth count.
    So i am not sure what direction I should go.
    Can I change the Sugino chain rings with FSA that are 10 speed compatible and leave them connected to my 165 tourney cranks,
    Thanks,

    Allan

  2. #2
    Senior Member fstshrk's Avatar
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    Quote Originally Posted by Pakiwi View Post
    I have been back riding 7 months and am preparing for a century in September.
    I put the roadbike together with Ultegra 6600 / 6700 parts, but recently after doing hill training I don't have the gears needed to climb a hill that peaks at 19 %. Being a Clydesdale doesn't help either. I have 53 / 39 crankset 12 / 28 chainring
    So today I tried a compact crankset with sugino 48 / 34 chain rings and I was able to climb the hill though I did have to stop to take a break. I don't think the Sugino are a perfect match with the 10 speeds so I need to look for a compact crank 165mm preferably 48/34 as the 50/34 means I need to replace the rear derailleur as this exceeds the max tooth count.
    So i am not sure what direction I should go.
    Can I change the Sugino chain rings with FSA that are 10 speed compatible and leave them connected to my 165 tourney cranks,
    Thanks,

    Allan
    What RD are you using? 6700 short cage RD will work fine with 50/34 and 12-30 combination/
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  3. #3
    Senior Member Pakiwi's Avatar
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    I have the 6600 but I hadn't noticed the specs on the 6700. That will allow me to go to a larger chainring.
    thanks,
    Allan

  4. #4
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    The 6600 might do it as well. Would be worth trying.
    Another option if you don't mind the larger gaps between gears is a 11-36 mtb cluster and a 9sp shimano mtb derailleur. Could use your 53/39 then.
    Last edited by Dean V; 05-25-14 at 07:07 PM.

  5. #5
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    The RD6600 specs say 15 tooth max front difference, but I'm using it just fine with a 6650 50/34 compact crankset and a 12-27 cassette. Should be fine with 50/34 and 12-28.

  6. #6
    L-I-V-I-N dtrain's Avatar
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    Quote Originally Posted by m_b_b View Post
    The RD6600 specs say 15 tooth max front difference, but I'm using it just fine with a 6650 50/34 compact crankset and a 12-27 cassette. Should be fine with 50/34 and 12-28.
    +1. Running a 50/34 here with 12-27 and a 6600 SS RD. Shifts so well that I can't imagine 28t being a problem. Don't think I'd push it with a 12-30 though.
    "The older you do get, the more rules they're gonna try to get you to follow. You just gotta keep livin', man, L-I-V-I-N." - Wooderson

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