Gravel / Gravé / Gnarmac / Groad / ATB

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le_james in reply to @hippy

I think so, looking at the MTB 11 speed chart.

It's a new Croix de fer build with a GRX 1x11 drive train, and I need a 142x12 rear hub.

From what I can see, the GRX rear derailleur definitely works with the XT cassette.

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hippy in reply to @le_james

I don't have any GRX parts I'm afraid.

I can only confirm that the 11spd 11-42 MTB cassette works with the Ultegra 'shadow' RD (on my Mason without any extra Wolftooth stuff).

You need to use a spacer (1.8mm I think) if you're putting an 11spd MTB cassette onto a 11spd road freehub.

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