• Anyone here run an Alivio M4000 9 speed RD with larger than 36t cassette?

    Weighing up whether I should play it safe or get a ztto 40t and extender from aliexpress.

  • Had 12-36 with 48/32 Chainset and nearly all of the b-screw left on the m4000 derailleur, on a genesis cdf. I'd say try it out, 40t might even work without extender if you're lucky.

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