* Wireless electronic eTap shift logic for intuitive shifting, easy setup and reliability* AXS enabled for easy personalization* Crisp and accurate front shifts* Standard derailleur is optimized for use with 46/33 or 48/35 X-Range chainrings and standard chainline eTap AXS cranks* Wide derailleur is designed for wide cranksets with 43/30 chainrings* Battery not included* SRAM Model ID: FD-RIV-EW-D1