• I have some XT cranks (104 bcd) and trying to run a 1x setup with 10 spd RD ...

    Do I need to worry if a chainring is for inner/outer ring?
    Will a 9 spd chainring work with 10 spd chain? (yes/I think but the wiggle q&a has thrown me off)
    Do I need to worry about width of ring?
    What do I buy? I want 42-44t?

    help.

  • If it’s not a narrow wide chain ring you may drop your chain so you’ll need a chain guide up front to help generally keep the chain on especially on the rough stuff.

    Internal width of 9-10-11 speed chains should all be 3/32nds so should work. It’s the outside width that changes to allow more sprockets on the rear

    42 or 44 depends on so many variables - tyre size, terrain, style of riding. If you have a low cadence and like grinding a big gear go for the bigger ring, if you like spinning go for the little one. There won’t be a huge difference anyway

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