SRAM XX1 Type 2.1 Rear Derailleur, 11-Speed, Black

• 11-speed MTB rear derailleur
• Straight parallelogram design with horizontal movement reduces shift force and improves drivetrain performance
• Roller bearing clutch and cage lock
• Large upper pulley offset automatically adjusts chain gap
• New and improved Roller Bearing Clutch Design for 2015

Specifications:

• Model:
• Speed:11sp
• Max:
• Wrap:
• Cage/Mount:Mid
• Ratio:1to1
• Color:BLK
• Wgt:220g
• Compatibility:
• Swing:
• Fit