SRAM Front Derailleur Red AXS E1 Braze-on with FD tool 46t-50t (Battery Not Included)Not just fast and reliable front shifts, but silent running across the whole cassette. The RED 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 reliability

Refined cage shape results in faster and more accurate front shifts

Easy setup with included tool

SRAM Yaw cage technology optimized for use with X-Range chainrings

Auto trim functionality for rasp free running

Compatible with 46/33T, 48/35T, 50/37T, 52/39T, 54/41T, and 56/43T chainring combos