Looking to adapt an old(er) set of FC-M952 XTR cranks to fit new chainrings (see here).

Looking at this auction - how would I determine whether or not I can use it? If it fits I'd also need to buy 9sp chainrings compatible with same old(er) XT/XTR system.

Auction listing

  • So you have the 5 arm version of this crankset?
    – Batman
    Dec 22, 2016 at 14:48
  • This crankset is a weird one. The largest ring supports the other two and they don't make them anymore.
    – ethrbunny
    Dec 22, 2016 at 15:22
  • Sure. But, Sheldon Brown lists this crankset with the 2 outer rings as 4 bolt 112 bcd , whereas what you linked is not that.
    – Batman
    Dec 22, 2016 at 15:35
  • 1
    I added a screenshot of the auction as it'll get removed from ebay eventually and this would otherwise turn into a dud question.
    – RoboKaren
    Dec 26, 2016 at 1:40

1 Answer 1


I believe that in terms of compatibility, there's only one iteration of the Shimano 8-spline spider design that was used on various Shimano cranks, so the spider in question should work on all of them, including FC-M952.

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