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  1. #1
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    Crankset swap questions.

    I have a Fuji d6 Comp (2010) and want to swap the crankset for a compact. The current is a FSA Gossamer 53/39 with FSA megaexo.

    1. Can I swap to a shimano BB, I believe the answer is yes.

    2. I was thinking of switching to the Ultegra 6800 50/34 with a shimano dura-ace bb-9000 english bottom bracket. Will this work?

    3. the ultegra is 11 speed can I use a 10-speed cassette and a SRAM Rival front derailleur? Will the 10-speed chain be off since the crankset is made for 11 speed?

    Thanks!

  2. #2
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    1. If your Fuji has a standard English threaded bottom bracket the swap is easy and any of the Shimano Hollowtech II bottom brackets will fit and be compatible with any Shimano Hollowtech II crank.

    2. Yes, as above.

    3. The 11-speed crank should work with a 10-speed chain but you might get some rubbing on the 50T chainring when in the 34T and some of the smaller cogs. An 11-speed chain will preclude this. The crank doesn't care how many cogs you have in back. As to the Rival fd, I don't know if it will index properly with Shimano brifters, probably not. If you already have SRAM brifters it should work.

  3. #3
    me have long head tube TallRider's Avatar
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    if you have a 10-speed system, why not buy a compact crank designed for 10-speed? It'll likely be a bit cheaper than 11-speed crank.
    Not that 11-speed will present a huge problem, but I see nothing that you stand to gain by using 11-speed over 10-speed. Only losses in cost and functionality, even if neither is a huge deal.

  4. #4
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    Eventually I think I'm going to swap everything to shimano 6800. Right now I just want to switch to a compact crank and to ensure I am going to get the correct one. Never replaced the crank so all the terminology is new. I have bar end shifters so the crank shifting always requires triming and I leave play in the FD in order to position without chain rub. So thats not a big issue. Thanks for the responses.

  5. #5
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    So I've done more research and the LBS wants 160 euro (I live in europe) to do the work. Seems to me I could buy all the tools necessary to do the work for less then that. I've feel pretty confident I could do it. I've confirmed my frame is 68mm english BB and that I have selected the correct parts. Any tips or gotchas on replacing crank?

    Also does that sound like a okay price for a LBS to replace a crank?
    Last edited by deathnmind; 03-03-14 at 02:01 AM.

  6. #6
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    Quote Originally Posted by deathnmind View Post
    So I've done more research and the LBS wants 160 euro (I live in europe) to do the work. Seems to me I could buy all the tools necessary to do the work for less then that. I've feel pretty confident I could do it. I've confirmed my frame is 68mm english BB and that I have selected the correct parts. Any tips or gotchas on replacing crank?
    The non-drive side pedal has a left-handed thread which tightens counter-clockwise.

    The drive side cup on British/BSC/ISO bottom brackets has a left-handed thread which tightens in the opposite direction. Note that some click-type torque wrenches will not click when tightening counter-clockwise.

    Most self-extracting crank bolt covers have a standard right-hand thread so they tend to back-out when used. You should tighten them with the appropriate pin spanner so they don't vibrate loose and fall out on the road.

    You want to lubricate the bottom bracket threads. Use anti-seize if any of the parts (threads or bottom bracket cups) are non-ferrous (aluminum or titanium).

    The bottom bracket shell should be faced square and 68mm wide.

    parktool.com has illustrated guides. youtube.com should have video.

    Also does that sound like a okay price for a LBS to replace a crank?
    That's the most ludicrous thing I've ever heard. It doesn't take fifteen minutes to remove pedals, remove bottom bracket, install bottom bracket, and re-install pedals.

    Also note that you'll only need one $20-$25 bottom bracket tool since the 16 notch tool is the same for all popular external bearing bottom brackets (Campagnolo, FSA, Shimano, SRAM) and most if not all of the uncommon ones.
    Last edited by Drew Eckhardt; 03-03-14 at 10:22 PM.

  7. #7
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    Quote Originally Posted by deathnmind View Post
    So I've done more research and the LBS wants 160 euro (I live in europe) to do the work. Seems to me I could buy all the tools necessary to do the work for less then that. I've feel pretty confident I could do it. I've confirmed my frame is 68mm english BB and that I have selected the correct parts. Any tips or gotchas on replacing crank?

    Also does that sound like a okay price for a LBS to replace a crank?
    Does that price include the crank and bottom bracket? I expect not and that's a LOT of money for labor just to exchange a crank and bottom bracket.

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