SRAM Apex Eagle Rear Derailleur - 12-Speed, Long Cage, 52t Max, Black, D1

The SRAM Apex Eagle rear derailleur quietly and quickly shifts across their 12-speed Eagle cassettes, while 1x-specific chain retention technology keeps the chain where it needs to be. It’s the best of SRAM's road and mountain bike innovations in one package.Features-Compatible with 50t and 52t Eagle cassettes-Works with SRAM 12-speed mechanical Apex and Eagle shifters-For use with Eagle 12-Speed chain-Roller Bearing Clutch controls chain tension for consistent shifting-X-HORIZON straight parallelogram design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force-Cage Lock technology makes for fast wheel changes or chain installationItem Specifications-Cage Length:Long-Chain Wrap Capacity (teeth):42-Color:Black-Drivetrain Speeds:12-Largest Cog:52-Rear Der/Shifter Compatibility:SRAM X-Actuation-Rear Derailleur Mount Type:10x1 Standard