Originally Posted by
Jipe
The 3T cassette works perfectly with the original 11s Shimano 105 derailleur and now also with an Ultegra 11s derailleur (both with long cage).
This kind of cassette is ideal for a fast small wheel folder, it avoids the big 60t front chainrings.
That's reassuring info! Looks like I'd be fine with my long cage SRAM RD.