NEW SRAM X.4 7/8/9-Speed Rear Derailleur Long Cage Black

Affordable and reliable derailleur is great for repairs and upgrades.

Compatible with 7-, 8-, and 9-speed systems
1:1 shifter-to-derailleur actuation ratio for precise light-action indexing
Rear Derailleur Mount Type: 10x1 Standard
Rear Der/Shifter Compatibility: SRAM 1:1
Cage Length: Long
Drivetrain Speeds: 7
Drivetrain Speeds: 8
Drivetrain Speeds: 9
Weight: 280
Color: Black
Chain Wrap Capacity (teeth): 45
Largest Cog: 34