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Groupset compatibility

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  • March 4, 2015 at 4:28 pm #23406
    roborovski007

    I would like to upgrade my current bike that came with 9 speed sora groupset to a 10 speed groupset, I’m wondering if the 10 speed cassette is compatible with my current wheelset ? Anyway, before this I had sent an email asking the bike manufacturer but they say it won’t work and I need to change the hub in order to fit in 10 speed cassette. Trying to find more answers from you guys here 🙂

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  • March 6, 2015 at 5:20 pm #834667
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    Matt eaton

    Both of my rear wheels have
    Both of my rear wheels have 10 speed cassettes and they are both 8/9 speed hubs – no problems. One is a shimano cassette the other sram. Incidentally this is all with a ‘7 speed’ derailleur.

    I think that there is a different spline on Dura-Ace 10 speeds. For this reason I think that there will be 10 speed cassettes out there that won’t fit your hub, but equally there will be cassettes available that will

    Agree with bigmel on ‘upgrading’ to 10 speed. If you are upgrading just for an extra cog I think you are on the wrong path. If you are upgrading to better performing kit I can see why you might want to go to 10 speed at the same time though. In my view, however, it’s the shifters that really make a difference.

    March 6, 2015 at 2:06 pm #834665
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    bigmel

    Very surprised at what you
    Very surprised at what you were told. A hub body that takes a Shimano 9-speed cassette will actually take an 8 or 9 or 10 speed cassette as mentioned here.
    Not sure an extra cog is an “upgrade” though – I use 9 speed on most of my bikes because the chain sideplates are thicker and last longer – 10speed chains are narrower and definitely don’t last me as long.

    March 5, 2015 at 7:43 am #834663
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    Judge dreadful

    I fitted a 10 speed Shimano
    I fitted a 10 speed Shimano cassette on a bike that originally had a 9 speed cassette on it’s freehub last year. It worked a treat with a spacer and a bit of rear mech fettling. I also managed to get a SRAM 10 speed cassette to work.

    March 4, 2015 at 4:40 pm #834661
    0
    lisa76uk

    If you’re sticking with
    If you’re sticking with Shimano Hyperglide, you can fit a 10 speed cassette on a 8 or 9 speed hub using a 1mm spacer.

    More info from Sheldon Brown … http://sheldonbrown.com/k7.html

    You can fit other manufacturer’s cassettes on too … http://sheldonbrown.com/k10.shtml

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