The 11speed freehub is wider to fit the cassette so you'd have to change that. However I don't really see a problem in swapping freehubs when you're completely re-doing the drivetrain anyway..
@Machine started
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The 11speed freehub is wider to fit the cassette so you'd have to change that. However I don't really see a problem in swapping freehubs when you're completely re-doing the drivetrain anyway..