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  • 11 spd chainset with 12s
  • nixie
    Full Member

    Sure its be done before but what are peoples experience of running a 11s chain set with 12s. I have an appropriate length crank for a new build but its 11s and the chain ring BCD makes get a 12s ring unviable (Prowheel with 76 BCD! cheaper to buy a new crank!). Reading around suggests an 11s chainring might result in chain suck. The 12 speed is Deore if that makes any difference.

    Posted 3 hours ago
    bikerevivesheffield
    Full Member

    11 speed slx crank

    12 speed axs

    No issues

    Posted 2 hours ago
    Daffy
    Full Member

    Should be fine.  Though chain retention on SRAM may be lower as the chainrings for 12s are somewhat more hooked by design.

    Posted 1 hour ago
    nixie
    Full Member

    Cool, that would be preferable then buying another crank, been enough spend drift on daughters bike already. It’s all Shimano other than the crank.

    Posted 1 hour ago
    sillyoldman
    Full Member

    The extended inner plates on the Shimano 12 spd chain may not play nicely on your current chainring. Try it and see? I’d be inclined to get the right chainset – even if just to have all new drivetrain parts at once. Always feels amazing after riding an old roaches set up.

    Posted 1 hour ago
    onewheelgood
    Full Member

    11 speed Next SL with 12 speed XT. Works fine.

    Posted 11 minutes ago
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