I'm looking for a very silent hub. Upon searching, I came across with Onyx hubs which definitely has no sound. I really like it, but my budget doesn't. So I've searched a little more and found Shimano's new 12 speed XTR hub with Scylene tech which cost half the price compared with Onyx. My problem is, it's 12 speed with new Microspline freehub body. I have an old XTR 11 speed setup.

So there lies my question, can I fit an 11 speed cassette to a XTR 12 speed hub?

I know there's a spacer but I only see an upgrade from lower speed to higher like 11 speed to 12 speed not downgrade 12 to 11.

  • shimano was originally planning on making microspline 11-spd cassettes. not sure if that ever happened – Paul H Sep 9 at 16:19
  • So for now, is there anything we can do to fit 11 speed cassette on it? – WashichawbachaW Sep 9 at 16:24
  • seems like a spacer would do the trick – Paul H Sep 9 at 18:55
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    @PaulH Shimano Hyperglide and Microspline spline size and patterns are different and incompatible. The Microspline freehub body was introduced by Shimano to allow a 10 tooth small sprocket – Argenti Apparatus Sep 9 at 19:47
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    @PaulH do you have a link to where we can order a spacer for 12 speed to 11 speed? – WashichawbachaW Sep 10 at 6:31

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