SRAM X.3 Rear Derailleur (Black) (7-9 Speed) (Long Cage)

This is the SRAM X-3 Rear Derailleur for 7/8/9 Speed Mountain Bikes. Features: Will work with 7, 8 or 9 speed cassettes, depending on the shifter used Specifications Color: Black Weight: 272g Cassette Spacing: Shimano/SRAM 7 Cassette Spacing: Shimano/SRAM 8 Cassette Spacing: Shimano/SRAM 9 Shifter/Derailleur Compatibility: SRAM 11 Largest Cog: 34 Chain Wrap Capacity: 45 Cage Length: Long