SRAM Force AXS Front Derailleur - 2x12-Speed Braze-on Battery Not Included BLK E1SRAM Force AXS Front Derailleur 2x12 Speed Braze on (Battery Not Included) Black E1. Developed and upgraded for superior performance the Force AXS front derailleur isnt just fast and more precise while front shifting. Its silent in every single gear too. The cage is narrower allowing for less distance to move especially on outboard shifts and shifting under big power. This derailleur uses SRAM Yaw technology with auto trim to ensure the fastest