wisecrack Posted May 31, 2016 Share I am a bit of a noob when it comes to the MTB side of things ,but I was wondering if it would be possible to use a Shimano 105 11-32 road cassette on my XT M8000 hubs. Complete 11 M8000 group set incl derailleur and shifters on my 29'er MTB. My reasoning behind this is that I can train with the rather inexpensive 105 road cassette and then switch to a 11-42 XT cassette when doing more of the steeper hilly stuff. Is this a possibility? Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted May 31, 2016 Share As far as I know it's not. Reason being that a road 11sp cassette is wider at the base (free hub body contact point) than an mtb cassette and therefore needs a wider free hub body The reason it's wider is cos the mtb cassette has larger cogs at the upper end, which means it can be more concave than the road cassette and therefore 11sp and 12sp will fit on the same footprint as an 8/9/10 speed cassette, whereas an 11sp road cassette will only fit on a modified 10sp free hub body or one that has been specifically designed to accommodate the wider 11sp road cassettes. Edited May 31, 2016 by Myles Mayhew Link to comment Share on other sites More sharing options...
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