SRAM FD RIVAL ETAP AXS D1 BZ-ON BLACK BATTERY NOT INCLUDEDThe precision and reliability of eTap AXS, now at a whole new level The Rival eTap AXS front derailleur is optimized for X Range chainrings and uses Yaw technology so theres no need for trim Wireless electronic eTap shift logic for intuitive shifting, easy setup and reliability SRAM Yaw trimless cage technology optimized for use with 46 33 or 48 35 X Range chainrings Designed for standard chainline eTap AXS cranks Battery not included