Why does my chain drop when shifting my SRAM eTap AXS front derailleur? When the chain drops off the chainrings while shifting with RED or Force eTap AXS drivetrains, it is often the result of the front derailleur being set up outside of our specifications. Complete setup instructions are include in the setup manual, but a fast and simple eTap AXS chain drop troubleshooting guide should help you get back on the road and enjoy your ride. Related articles Where can I order a front derailleur alignment tool to help setup my SRAM eTap AXS? Why is my SRAM Force eTap AXS drivetrain noisy, especially the cassette? How do I trade in my SRAM RED AXS 2x power meter road chainrings when they wear out? Can I use the eTap AXS rear derailleur without the front derailleur to make a 1x drivetrain? Does the XPLR rear derailleur have chain management?