Not just fast and reliable front shifts, but silent running across the whole cassetteThe RED AXS front derailleur uses Yaw technology with electronic trim to ensure the fastest possible shift while eliminating chain rub in all combinationsCompatible with 46/33T, 48/35T, 50/37T, 52/39T, 54/41T, and 56/43T chainring combosAXS enabled for easy wireless setup, monitoring, personalization, and reliabilitySRAM Yaw cage technology optimized for use with X-Range chainringsRefined cage shape results in faster and more accurate front shiftsAuto trim functionality for rasp free runningRed AXS E112sp56Braze onBLKAXSUPC/EAN/GTIN: 710845905124