SRAM Red Front Derailleur 2 x 11 Speed and Chain Spotter - Braze-OnSRAM Red Front Derailleur 2 x 11 Speed and Chain Spotter Braze On The SRAM RED 22 Front Derailleur changes everything, including offering every gear combination with no chain rub or rasp. Instead of simply moving back and forth, the derailleur cage actually rotates to maintain a consistent angular relationship with the chain. We call it Yaw Technology, and it eliminates the need for shifter trim. As a result, shifts feel more direct, more precise, and