SRAM SX Eagle Rear Derailleur - 12-Speed Long Cage Aluminum Black B1

The SX Eagle derailleur features the proven SRAM 1x-specific X-HORIZON design and easily facilitates 11-50t and 10-50t cassette capacity providing quiet consistent performance and durabilitySX Eagle derailleur is your entry point to the SRAM Eagle EcosystemA full featured Eagle derailleur compatible with the Eagle ColorsystemX-SYNC pulley technology provides greater efficiency crisper shifting and quieter operationCage Lock offers discovery-level riders easy trail side wheel removal