SRAM Force AXS Wide eTap Front Derailleur - 2x12-Speed Braze-On (Battery Not Included) Iridescent Gray D2. 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 shiftingAXS enabled for easy wireless setup monitoring personalization and reliabilityFor wide cranksets with 43/30T chainringsAdditional clearance for 700x45c and 27.5x2.1" tiresCrisp and accurate front shifts