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pointing out something is 'possibly' incorrect
Never my intention. Was just asking some questions because I was genuinely curious.
11-40 cassette on a standard road derailleur is pretty unusual and interesting stuff, so I think it's natural to want to know more details.
what's the point?
To learn. Today I learned that apparently this generation of road derailleur pivots differently than my MTB derailleur.
What I'm saying is that the upper pulley will move closer to the biggest cog once you shift to the small chainring, and it's already pretty close in Ed's picture.
But Ed says it works, so I guess not a problem.