SRAM NX 1x 11-Speed Long Cage Rear Derailleur

The SRAM NX X-HORIZON rear derailleur provides the same smooth, reliable shifting action as XX1-from the larger upper pulley offset to the 12-tooth X-SYNC pulley wheels. By eliminating unwanted chain movement, X-HORIZON shifts faster, puts an end to ghost shifting and reduces shift force and chain slap. And with CAGE LOCK technology, wheel removal and installation are easier than ever.
Features:

X-HORIZON design that reduces shift force, ghost shifting and chain slap
Most affordable fully featured 1x rear derailleur in the industry
12-tooth X-SYNC pulley wheels
Fully compatible with all SRAM 1x drivetrains

Specification:

Speed (RD): 11s
Cable pull ratio: X-actuation
Cage (RD): Long
Max tooth: 42
Colour (RD): Black
Pulley bearings material: Steel
Cage material (RD): Steel