The Rival AXS front derailleur uses Yaw cage movement and auto trim for silent, rasp-free running, and a narrower cage shapeAXS enabled for easy wireless setup, monitoring, personalization, and reliabilitySRAM Yaw cage technology optimized for use with X-Range chainringsCompatible with 46/33T, 48/35T, 50/37T chainring combinationsRefined cage shape results in faster and more accurate front shiftsAuto trim functionality for rasp free runningEasy setup with included toolBattery not includedRival eTap AXS12spBLKUPC/EAN/GTIN: 710845916823