The SX Eagle derailleur features the proven SRAM 1x-specific X-HORIZON design and easily facilitates 11-50t and 10-50t cassette capacity, providing quiet, consistent performance and durability! Ride more for less! 

The SX Eagle Derailleur includes all Eagle platform features with an aluminum cage

X-SYNC pulley technology provides greater efficiency, crisper shifting, and quieter operation

Cage Lock offers discovery-level riders easy trail-side wheel removal

Drivetrain Speeds: 12

Cage Length: Long

Chain Wrap Capacity (teeth): 40 teeth

Largest Cog: 50

Rear Der/Shifter Compatibility: SRAM X-Actuation

Color: Black