The Apex XPLR AXS rear derailleur is
designed specifically for 1x and will work
with 11-44T, 10-44T, and 10-36T cassettes
only. The Apex XPLR mechanical rear
derailleur is designed specifically for 1x
and will work with 11-44T and 10-44T
cassettes only.
The X1 Eagle AXS rear derailleur and Apex
Eagle rear derailleur are compatible with 11-
50T, 10-50T, and 10-52T Eagle cassettes.