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Ultegra 6700 to 6800, can a WH-6700 wheel accomodate a 6800 cassette?

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Ultegra 6700 to 6800, can a WH-6700 wheel accomodate a 6800 cassette?

Old 07-09-13, 03:18 PM
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volosong
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Ultegra 6700 to 6800, can a WH-6700 wheel accomodate a 6800 cassette?

Can I put a CS-6800 cassette on a WH-6700 rear wheel ... and it perform perfectly fine? Or, do I have to get a WH-6800 wheel also?

I don't think Shimano has published/uploaded their technical documents for the 6800 group-set yet. At least I can't find them in the usual place. Thanks.
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Old 07-09-13, 04:00 PM
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It won't know the difference.
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Old 07-09-13, 04:31 PM
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Originally Posted by CACycling View Post
It won't know the difference.
Thank you. I didn't know if going from 10-spd to 11-spd would require a different hub spacing/size.
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Old 07-09-13, 04:40 PM
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My apologies, looked at the wrong specs. The 11 speed uses a different freehub body that may be backward compatible but not the other way around.
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Old 07-09-13, 04:47 PM
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Originally Posted by CACycling View Post
My apologies, looked at the wrong specs. The 11 speed uses a different freehub body that may be backward compatible but not the other way around.
Dang. I'm about ready to order 6800, but really didn't want to order a new wheelset. Oh well, its just money.

Did you find the 6800 spec sheets?
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Old 07-10-13, 08:38 AM
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To get to 11spd. you need to change out more than just the cassette. You didn't mention it so thought I'd ask.
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Old 07-10-13, 10:04 AM
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Originally Posted by reddog3 View Post
To get to 11spd. you need to change out more than just the cassette. You didn't mention it so thought I'd ask.
Yes, I understand. Need at least the shifters and chain. Not sure about crank, and brakes are obviously okay as well as the FD. RD should be fine also, depending on cassette cogs. Was going to get the whole groupo, minus wheels. Well, I was thinking that BD is selling a complete 6800 bike, and I was going to move the components from the Motobecane to my Pinarello, but wanted to continue using my Ultegra wheelset, (to keep all Ultegra, and they are decent-weight, strong wheels). $1800 for the full 6800 bike, I remove the 6800 and put my old 6700 onto it and sell it to recoup half my cost of updating to 11-spd. (That 11-32 is tempting for an old, slow cylde climber like myself. I "love" my 12-30, but at times wish for a bit more on either end. I don't really care about gaps. I'm not that good nor do I race.)

Last edited by volosong; 07-10-13 at 10:07 AM.
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