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Using an 11-speed crankset with a 10-speed system

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Using an 11-speed crankset with a 10-speed system

Old 08-21-14, 01:46 AM
  #1  
focusyourself
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Using an 11-speed crankset with a 10-speed system

In the past I have run a shimano 10 speed double crankset with a shimano 9 speed system (9-speed shifters, derailleurs, cassette and chain) with no problems at all.
I currently have a shimano 6700 10 speed system, and I would like to install Shimano's new ultegra 6800 11 speed double crankset to take advantage of the wider range of chainring sizes. It seems logical that this set up should also work without problems. I would love to use the new 52-36 combination on the new crankset with my older 10 speed system. Anybody out there have experience with using an 11-speed crankset with a 10 speed system or have an opinion on this? Thanks!
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Old 08-21-14, 04:33 AM
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PRus
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I am using a combination of 7800 with 6700 shifters and 6800 compact crank. Works well without any issues.
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Old 08-21-14, 05:04 AM
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I have no personal experience with this but several members have done this without issue.
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Old 08-21-14, 05:25 AM
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I put about 5000 miles on my Madone with this arrangement. I have a 6800 compact crankset with 5700 brifters and derailers with a 6600 chain and a 6700 cassette.
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Old 08-21-14, 09:08 AM
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valygrl
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+1 - I had a 9000 crankset with 7900 everything else for the first half of the year. No problems.
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Old 08-21-14, 09:58 AM
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I used a micrometer to measure the chainring width and spacing on Ultegra 6800, 105 5700, and FSA SLK cranksets. Couldn't find a difference.
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Old 08-21-14, 07:45 PM
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I use a 6800 crankset with 6600 shifters & derailleur and 6700 cassette and 6701 chain
works just fine
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Old 08-22-14, 12:37 PM
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I have a 6800 Ultegra 11 speed crankset on a bike with a 10 speed ultegra drive train including chain. Absolutely no issues after about 1000 miles. I also ran a DA 9000 crank on a 10 speed Ultegra 6700/6600 set up and no problems there either.

The chain spacing of the links on the 10 and 11 speed chains are identical. The 11 speed chain is very slightly narrower on the outside diameter so as far as the chain rings go, there is no difference. From a FD perspective, the difference is tiny with respect to the shifting range of motion.

It's not an issue.

J.
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Old 08-22-14, 10:09 PM
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focusyourself
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Thanks everyone for your expert advice. I feel much more confident now with investing in a new crankset without changing the rest of my drivetrain!
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Old 01-21-18, 04:09 PM
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Anyone done this with Campy?

Same deal as above minus Shimano. Got an ultra drive compact crank on eBay. It's paid for and on the way, so I hope it works. I'd be surprised if it doesn't actually.

I'll update once it shows up an I get it all together.
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Old 01-21-18, 06:28 PM
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It will blow up immediately, killing you and all your loved ones, no matter where they are. If the frame is carbon fiber, the crank explosion will trigger a nuclear asplosion, which will kill the next seven generations of your family. If the fork is also carbon, it will create a time warp explosion, which will reach back into the past, reanimate the last seven generations of you family ... and blow them up.

Go ahead.
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Old 01-21-18, 08:24 PM
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Originally Posted by Maelochs View Post
It will blow up immediately, killing you and all your loved ones, no matter where they are. If the frame is carbon fiber, the crank explosion will trigger a nuclear asplosion, which will kill the next seven generations of your family. If the fork is also carbon, it will create a time warp explosion, which will reach back into the past, reanimate the last seven generations of you family ... and blow them up.

Go ahead.
All expected and reasonable outcomes. But will it shift?
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Old 01-22-18, 07:43 AM
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Originally Posted by Maelochs View Post
It will blow up immediately, killing you and all your loved ones, no matter where they are. If the frame is carbon fiber, the crank explosion will trigger a nuclear asplosion, which will kill the next seven generations of your family. If the fork is also carbon, it will create a time warp explosion, which will reach back into the past, reanimate the last seven generations of you family ... and blow them up.

Go ahead.
This here sir, was awesome.
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Old 01-22-18, 08:16 AM
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I was going to say that the worst that could happen was your chainrings might last longer due to reduced cross shifting, but I had forgotten about the whole change in the evolutionary process until Maelochs brought it up.

For the sake of humanity, don't do it. Future time travelers will have to come back and reverse it
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Old 01-22-18, 11:03 AM
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Originally Posted by rosefarts View Post
Anyone done this with Campy?

Same deal as above minus Shimano. Got an ultra drive compact crank on eBay. It's paid for and on the way, so I hope it works. I'd be surprised if it doesn't actually.

I'll update once it shows up an I get it all together.
If it's Campy everything must match. It's Italian, and no matter how well Campy works, it'll still be Italian, so form > function. If it's beautiful it'll still be beautiful even if all the bearings seize up and nothing moves.
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Old 01-22-18, 11:17 AM
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So if my frame and fork are handmade in America, will it erect a wall that renders the Italian parts null?

Isn't Italy ok? Certainly not as nice as Russian components.

Is there an official tweet on the matter?
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Old 01-22-18, 03:06 PM
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I'm pretty sure one of Velomati's rules that didn't make the cut was no mismatched Campy products. If you have one Campy product you must have the entire matching groupset....Shimano and Sram are fine to mix.

If it wasn't it should've been.

Last edited by Wileyrat; 01-22-18 at 03:11 PM.
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Old 01-22-18, 04:33 PM
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Originally Posted by Wileyrat View Post
I'm pretty sure one of Velomati's rules that didn't make the cut was no mismatched Campy products. If you have one Campy product you must have the entire matching groupset....Shimano and Sram are fine to mix.

If it wasn't it should've been.
It's all Chorus. Just about a decade apart.
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Old 01-24-18, 05:06 PM
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No one mentioned SRAM. I've got a SRAM 22 crankset paired with otherwise 10-speed components. No problems at all.
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Old 01-26-18, 01:14 AM
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I have been running 11 speed mechanical and then electronic SRAM groups with 10 speed DuraAce crank without issues.
I also have ran 10 speed mechanical SRAM with 10 speed DuraAce with 11 speed shimano chain without issues.
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Old 01-26-18, 07:49 AM
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On one bike I run Shimano 105 11s crank with Campy Centaur 10s Ultrashift. Honestly, I believe it shifts better up front than my other Campy 11s bike with Chorus Crankset.
I like Campy shifters but prefer Shimano cranks and rim brakes. Derailleurs are a push.
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Old 01-26-18, 09:10 AM
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Originally Posted by Campag4life View Post
On one bike I run Shimano 105 11s crank with Campy Centaur 10s Ultrashift. Honestly, I believe it shifts better up front than my other Campy 11s bike with Chorus Crankset.
I like Campy shifters but prefer Shimano cranks and rim brakes. Derailleurs are a push.
Heretic?
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Old 01-28-18, 05:26 PM
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Originally Posted by rosefarts View Post
Heretic?
A matter of perspective. I have a different view of groupsets than perhaps many I believe are a slave to fashion.
Just because a given manufacturer makes a great product A doesn't mean product B is as good.
I believe Campy UltraTorque cranks to be good. I believe from 105 to DA, Shimano cranks to be best in class. I believe Campy PowerTorque cranks are crap. Campy OverTorque not much better.
I believe Shimano dual pivot rim brakes are best in class. Campy rim brakes aren't IMO...have ridden both.

So I believe components don't have to match. No Vitorria saddles, or Campy Bar tape....or matching stems and seat posts. The convention of groupsets matching is nonsense. I ride Campy only because shifters are where the hands connect to the bike and I believe Campy mechanical shifters are the best in the world. Best ergonomics and shifting system...better than Shimano or Sram DT. Shimano makes excellent derailleurs as well...comparable to Campy...but want to match cable pull so run derailleurs that mate with shifters...otherwise would have no preference.

Last edited by Campag4life; 01-28-18 at 05:31 PM.
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Old 01-28-18, 10:47 PM
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I was mostly just giving you a hard time. I'm about a year into Campy, a lifetime with Shimano.

I agree, the shifters are way better. More ergonomic and more logical.

Derailleurs are the same. I think my Campy brakes are at least as good, if not better than Shimano. I don't like the lever release though. You lose the ability to let them out a little bit if the rim is out of true.

I think the Shimano crank design is more intuitive and lighter. It's almost like Campy built ultra drive to rip it off without directly copying. I don't like the aesthetics of any new Shimano crank, that matters to me.

I am disappointed in the Campy selection of cassettes. In Shimano and SRAM, no biggie to find 12-30, 11-32, 12-27, whatever. For Campy, once you want a low gear larger than 25, they almost force a 13 or even 16 on you. Fine for 53/39. I have a 13-29 that would be great for my compact if it was 12-29. I know I can get individual cogs and make it happen, I just don't think I should have to.

Do what you like. Your bike certainly won't suffer. I'm the first to admit my own vanity in this regard.
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Old 02-02-18, 05:39 PM
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Update. It works perfectly. I know you all were holding your breath.
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