Originally Posted by
rumatt
Oh wow, I didn't realize that the 11-42 cassette worked with the 2x. It is fully compatible and works fine?
I'm guessing the down sides of the long cage derailleur are minimized with Di2? It shifts great right?
This might be a winner!
I did a mini write up here:
GRX Di2
The long cage derailleur is needed for the longer chain length. Other than ground clearance I see no downside to the longer cage and the clutch does a great job of controlling chain slap.