The AX 11 speed rear derailleur is designed for a 1x11 speed drivetrain. An aluminum body with a steel cage provides durability in a lightweight package and H/L and B-limit screws gives great adjustablity. A long cage allows a cassette up to 46T and it is M10x1 standard mount only.
Sealed bearing pulley wheels11 speedLong cage, 46TChain wrap capacity 49T295g