X-Horizon parallelogram minimizes chain slap and is maintains constant gap with the 10-50 Eagle cassette.

• Type 3 clutch is smoother and more durable
• 14T lower pulley
• Includes a chain gap tool that makes it easy to set up the correct chain length

• Rear Derailleur Mount Type: 10x1 Standard
• Drivetrain Speeds: 12
• Cage Length: Long
• Chain Wrap Capacity (teeth): 40 teeth
• Largest Cog: 50
• Color: Black
• Weight: 276 g
• Rear Der/Shifter Compatibility: SRAM X-Actuation