Changing granny ring from 24T to 22T on 10-speed XT M770?

highlander456
highlander456 Posts: 7
edited June 2012 in MTB workshop & tech
Hey there, I have a 10 speed XT M770 crankset which comes with 24-32-42 chainrings. I'd like to change the granny ring for a 22T from the 9 speed M770 but I'm not 100% sure that it's compatible. There does not appear to be any difference (aside from the 2 less teeth of course) and I know that the chain and rear mech will take the extra length.

Any ideas or thoughts?

Comments

  • nicklouse
    nicklouse Posts: 50,675
    Don't see why not. But I don't know why you would want such a low gear....
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
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  • highlander456
    highlander456 Posts: 7
    I'd want such a low gear as I live in Colombia and some of the mountain climbs are brutal. Thanks for your thoughts.
  • andyg1966
    andyg1966 Posts: 63
    Make sure your rear mech has enough capacity (i.e. capability to take up the chain length 'change') if running a 36T rear cassette. I think the reason for 10 speed being 24-32-42 is because of rear mech capacity when running a 36T cassette.
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