Part of the GX Eagle 12 speed drivetrain.

SPECIFICATIONS
Speeds: 12
Compat - Derailleur/Hub (SL): RD:12s
Cable pull ratio: X-actuation
Color (SL): Lunar
Cable length (SL): 2200mm
Shifter type: Trigger
Matchmaker compatible: Yes
Clamp included?: Yes
Max upshifts: 5
Pull lever adjust: No
Multi-position: Yes