11 speed Shimano cassette with 10 speed Shimano Branded Hubs
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  1. #1
    tthome
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    11 speed Shimano cassette with 10 speed Shimano Branded Hubs

    Question...I have 2 pairs of Shimano RS80 C24 wheels - both are 8/9/10 speed SRAM/SHIMANO compatible hubs. I understand that if I upgrade to an 11 speed group that I need a wheel hub capable of allowing the wider 11 speed cassette. I'm curious if a SHIMANO branded 11 speed cassette will fit this SHIMANO branded hub without being forced to swap out the casette body. Has anyone tried this?

    Is it that the 11 speed cassette are nominally wider or is it that the 11 speed cassette has slightly thinner cogs but the same nominal width (or very close) as the 10 speed? I've read on some shimano wheels that the wheels will allo for an 8/9/10 SRAM/Shimano cassette or an 11 speed SHIMANO cassette. The way I read this is that the hub could take a 10 speed from 2 vendors in various speeds OR it can take a SHIMANO 11 speed only.

    Can someone clarify this please? Hopefully my questions made sense. Thanks!

  2. #2
    Lost in Space...
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    You can fit 8/9/10 on a hub built for 11... not the other way around.

    The only ten speed hubs that will take an 11 are Campagnolo and Mavic due to dimensional differences. Shimano 11 changed the OLD from 130mm to 131mm and I believe it also moved the hub spoke flange more inboard. If you want an 11 speed cassette on a 10 speed hub, the best bet is to remove a cog and run a 10 speed with 11speed spacing/shifter; otherwise, it's new wheel/hub time.

  3. #3
    RoadBikeReview Member
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    headloss has you pretty much covered.

    Here's a thread from 2013; post #7 shows a detailed comparison of the dimensional changes.

    The 11-speed cassettes are wider AND the spacing between the cog centers narrower.

  4. #4
    RoadBikeReview Member
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    Edco and Token make 11sp cassettes that fit on 10sp hubs. I'm not sure how that works and if it fits all wheels.

    Any hub that fits a Shimano 11sp cassette will fit an Sram 11sp. They are interchangeable. Campy 11sp spacing is slightly different but people have tried it and pronounced it close enough.

    11sp cogs are the same width as 10sp but the spacing between the cogs is narrower. The 11sp chain has the same internal width but the side plates are narrower than 10sp.

    Like headloss said you can run 10 of 11.

  5. #5
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    More details here.

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