• if I run a narrow wide chainring do I also need to run a chain catcher? I don't have a clutched rear mech.

  • Yep - just ride it around, hop off some curbs etc, see what happens.

    I've ridden trail centers on the MTB with the clutch turned off, no chain drops.

    But I have noticed the amount of chain wrap - short cage vs. long / med cage - plays a part in keeping the chain on.

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