• Need some help folks, although I already think I know the answer.
    1x9 setup, XT 737 rear derailleur, Sunrace 1x crankset, narrow wide chainring. 9-8-7th gears are perfectly fine, 6-5-4th are noisy and jumpy and don't even shift sometimes, 3-2-1st are fine again.
    Bent hanger or bent cage, am I right? How eff'd I am on the first case, given we're talking about an aluminium bike with a non-replaceble hanger?

    Shifting up to the 4th cog is worse than shifting down onto it though, when downshifting I figured it would be a bit better, but already fiddled quite a lot with cable tension.
    There is no wobble on the chainring or on the casette.

    Edit: might have been the tension after all, but I'll only be sure tomorrow. Not convinced though.

  • Bent hanger or bent cage, am I right?

    Or it could be as simple as the slightly wider pulley cage of the 8-speed RD not playing nicely with the narrow 9-speed chain when it's not pushed to either one side or the other

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