Old 05-05-22 | 03:30 PM
  #18  
jp911
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Joined: Feb 2017
Posts: 242
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From: Bend

Bikes: Trek Madone 5.2 Dura Ace, Niner RLT9 aluminum, Santa Cruz 5010 CC, Niner Air 9 rigid 29er, Trek Farley alloy

An 11-speed XT cassette works fine with the GRX 812 (I've been using an 11-42 in a 1x setup for over 3k miles with zero issues). I haven't tried it with a front derailleur, so can't really help there.
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