SRAM X9 9-Speed Rear Derailleur
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Competition grade derailleur with full alloy pulley cage is available in 3 lengths.
- 1:1 shifting ratio for reliable shifting and precise adjustability
- Aluminum upper knuckle
- Serviceable sealed bearing pulleys
- Compatible 9-speed systems
- 1:1 shifter-to-derailleur actuation ratio for precise light-action indexing
- Must be used with ESP shifters