Not just fast and reliable front shifts but silent running across the whole cassette. The RED eTap AXS front derailleur uses Yaw technology with electronic trim to ensure the fastest possible shift while eliminating chain rub in all combinations with the easiest setup around thanks to a brilliant new tool.AXS enabled for easy wireless setup monitoring personalization and reliabilityRefined cage shape results in faster and more accurate front shiftsEasy setup with included tool SRAM Yaw cage technology optimized for use with X Range chainringsAuto trim functionality for rasp-free runningCompatible with existing AXS batteries (sold separately)