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  1. #1
    Member lem0ndrider's Avatar
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    freewheel hub conversion

    I am upgrading the group on my Lemond and I was wondering if anyone can help me. I have ordered a set of shifters which are 10 speed as well as the rear & front derailleur. I have discovered my cassette is a 8speed Sora free hub (I think) and cant find a 10 speed replacement. Reading the forums I get the impression that I will have to replace the rear hub to be able to put on a 10 speed cassette, is there any other way or will I have to bite the bullet?

    Thanks

  2. #2
    Ride, Wrench, Swap, Race dddd's Avatar
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    No, you don't need a new hub!

    A 10-speed cassette will fit your hub just fine. There is a thin spacer in the cassette package, so look for the directions as to whether it should be used.

    Even one of the 11t cassette sprockets will fit your hub, hyperglide-C compatible! Not that you would want an 11t necessarily.

  3. #3
    bike whisperer Kimmo's Avatar
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    Quote Originally Posted by dddd View Post
    There is a thin spacer in the cassette package, so look for the directions as to whether it should be used.
    Never mind the directions, just see if it's necessary by trying the cassette on without it. If you can tighten the lockring without clamping down on the cogs, you need the spacer.

  4. #4
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    Quote Originally Posted by dddd View Post
    No, you don't need a new hub!

    A 10-speed cassette will fit your hub just fine. There is a thin spacer in the cassette package, so look for the directions as to whether it should be used.
    You certainly don't need a new hub as any 8-speed Shimano freehub will also accept a Shimano 10-speed cassette. AFAIK, all Shimano 8/9/10-speed freehubs require the 1 mm spacer behind a 10-speed cassette. Only the rare 10-speed only hubs can do without the spacer.

  5. #5
    Senior Member himespau's Avatar
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    Quote Originally Posted by HillRider View Post
    You certainly don't need a new hub as any 8-speed Shimano freehub will also accept a Shimano 10-speed cassette. AFAIK, all Shimano 8/9/10-speed freehubs require the 1 mm spacer behind a 10-speed cassette. Only the rare 10-speed only hubs can do without the spacer.
    Well, unless it's one of the first generation dura ace 10 speed cassettes, right? Or am I remembering those wrongly? Still, the odds of someone upgrading from 8 to 10 just now having one of those laying around is probably rather small.
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


  6. #6
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    Quote Originally Posted by himespau View Post
    Well, unless it's one of the first generation dura ace 10 speed cassettes, right? Or am I remembering those wrongly? Still, the odds of someone upgrading from 8 to 10 just now having one of those laying around is probably rather small.
    The odds of it being a 10-speed only Dura Ace (7800) hub are zero since the OP said it was a Sora 8-speed hub.

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    Senior Member himespau's Avatar
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    Quote Originally Posted by HillRider View Post
    The odds of it being a 10-speed only Dura Ace (7800) hub are zero since the OP said it was a Sora 8-speed hub.
    Oh, it was the hub that was weird not the cassette? I thought the cassettes were also odd and that there might be some of those cassettes still floating around. Still not likely though.
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


  8. #8
    Member lem0ndrider's Avatar
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    bottom.jpgoff hub.jpgon hub.jpgtop.jpg

    I took the cassette off and noticed there isn't a free hub on my wheel. I have included some photos if someone could identify it for me and tell me what to order.

    Thanks again
    Last edited by lem0ndrider; 08-28-12 at 08:45 AM.

  9. #9
    Senior Member CACycling's Avatar
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    You removed the freehub with the cassette. Put it all back together and remove just the cassette lock ring (will take a lock ring tool and a chain whip).

  10. #10
    Member lem0ndrider's Avatar
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    Thanks, I was a bit worried there

  11. #11
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    That doesn't look like any Shimano freehub body I've ever seen. I guess Trek (LeMond) used a proprietary hub, probably labeled "Bontrager". The cassette is indeed a Shimano but the hub isn't

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