SRAM Apex XPLR 12-Speed Rear Derailleur
SRAM Apex XPLR 12-Speed Rear Derailleur, Built for cassettes with 44T large cogs the SRAM Apex XPLR 12-Speed Rear Derailleur provides gears that can truly do it all. This derailleur uses an X-HORIZON straight parallelogram design limiting the movement to the horizontal axis to make ghost shifting impossible.