Sram | X.4 7/8 Speed Rear Derailleur | Black | 7/8 Speed, Long Cage

SRAM X. 4 7/8 SPEED REAR DERAILLEURAFFORDABLE AND RELIABLEThe rear derailleur is the component that moves your chain from one gear to the other on the back. The type of rear derailleur on your bike will have a significant impact on your performance, with higher-end rear derailleurs shifting better than lower-end derailleurs. The SRAM X. 4 7/8-Speed Rear Derailleur is an affordable and reliable derailleur that is great for repairs and upgrades. It is compatible with 7, 8, and 9-speed shifters and has a 1:1 shifter-to-derailleur actuation ratio. This derailleur should only be used with SRAM shifters. Features Compatible with 7, 8, and 9-speed shifters Chain wrap capacity: 34 teeth1:1 shifter-to-derailleur actuation ratio for precise light-action indexing | Sram | X. 4 7/8 Speed Rear Derailleur | Black | 7/8 Speed, Long Cage