SRAM Rear Derailleur SX Eagle Aluminium 12 Speed Black A1

From Sram:

This new SX Eagle derailleur is your entry point to the SRAM Eagle Ecosystem. Sharing many features with the rest of the Eagle Ecosystem like the proven SRAM 1x-specific X-HORIZON™ body design, it can accommodate both 11-50T and 10-50T cassettes. The SX Eagle is cross compatible with much of the Eagle Ecosystem, making it easy to personalize and upgrading your ride when you are ready.

FEATURES

• A full featured Eagle derailleur, compatible with the Eagle Coloursystem.
• X-SYNC™ pulley technology provides greater efficiency, crisper shifting, and quieter operation.
• Cage Lock offers discovery-level riders easy wheel removal.

SPECIFICATIONS
Speed (RD):  12s
Cable pull ratio:  X-actuation
Cage (RD):  Long
Max tooth:  50
Colour (RD):  Black
Pulley bearings material:  Steel
Cage material (RD):  Steel