SRAM X4 Rear Derailleur, Long Cage, Black

• 7/8-speed MTB rear derailleur
• Aluminum outer link and composite inner link
• Steel outer cage and composite inner cage

Specifications:

• Model:X4
• Speed:7/8sp
• Max:45
• Wrap:45
• Cage/Mount:Long
• Ratio:1to1
• Color:BLK
• Wgt:280g
• Compatibility:
• Swing:
• Fit