SRAM X3 rear derailleur. Affordable and reliable derailleur is great for repairs and upgrades. Will work with 7, 8 or 9 speed cassettes, depending on the shifter used. SRAM 1:1 shifter-to-derailleur actuation ratio for precise light-action indexing (Not Shimano shifter Compatible)

Specs:

Color: Black

Largest Cog: 34t

Rear Derailleur Mount Type: 10x1 Standard

Chain Wrap Capacity (teeth): 45t

Cage Length: Long

Rear Der/Shifter Compatibility: SRAM 1:1

Drivetrain Speeds: 7 , 8 , 9

Weight: 272