The SRAM Force AXS Wide front derailleur is optimized for use with smaller 43/30T X-Range chainrings on wide crankarms and uses Yaw technology so there&';s no need for trim. Its wider position on the bike also provides clearance for extra wide tires, so you can venture far beyond the beaten path. eTap shift logic for intuitive shifting AXS enabled for easy wireless setup, monitoring, personalization, and reliability For wide cranksets with 43/30T chainrings Additional clearance for 700x45c and 27.5x2.1" tires Crisp and accurate front shifts