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Old 07-13-21, 06:24 PM
Joint Venture
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From the point of view of your photo, the lockring should loosen CCW. The spline drive is threaded. I think da Vinci uses the same spline drive for 3x and 4x drivetrains as Todd told me that I could convert to a 3x for a Di2 setup using my existing stuff and purchasing the 3x chainring/spacer setup and the lockring. Think of the spline drive as a freehub cassette body. The 4x uses an “old school” threaded 1st position cog (like in the old 7s freehub days) as the innermost chainring and lockring. Good luck!

Last edited by Joint Venture; 07-13-21 at 06:39 PM.
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