Anyone tried piggy-backing one Wolf Roadlink on top of another? I want to get a 46t sprocket on my old 9 speed Shimano Deore derailleur. The Wolftooth Roadlink only allows for a 40t, could I double-up two Roadlinks and get that extra capacity, or...?
As noted in the comments, you could do this to enable the 46 but the 11,12,13t sprockets would be a long way from the derailleur in those gears as the derailleur isn't designed for that difference. Try to imagine the shape of the pyramid of the 11-32 and the 11-46.
Derailleurs are designed around specific pyramid slopes.
This could work fine on a 18-46 cassette that doesn't exist.