Which ferrules should I use for my SRAM Eagle cable housing? We advise that you use aluminum ferrules. Plastic endcaps have excessive flex, which can affect shifting performance. Related articles How do I determine the right chain length for my SRAM Eagle drivetrain? Can I use the new Eagle 10-52T range cassettes on my existing Eagle drivetrain? What is included in the Eagle AXS upgrade kit? How do I set up my SRAM Eagle rear derailleur correctly? Which cleaner can I use on my SRAM drivetrain?