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 SRAMs road and mountain bike innovations in one package.
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 installation
TECH SPECS
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
SRAM Apex Eagle Rear Derailleur - 12-Speed Long Cage 52t Max Black D1