Shift a Dura Ace bike and an Ultegra bike blind-folded and you won't be able to tell the difference. When you can tell the difference is by looking at them, weighing them or measuring deflection...
Core is Ultegra.
What about Super Record and Chorus?
@deleted started
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Shift a Dura Ace bike and an Ultegra bike blind-folded and you won't be able to tell the difference. When you can tell the difference is by looking at them, weighing them or measuring deflection...
Core is Ultegra.