Sram Shifter 12A Sl X5 Trigger Set BlackFeatures Suitable for SRAM 1: 1 rear derailleurs as well as SRAM and Shimano front derailleurs Guarantees easy and precise gear changes Thanks to 1: 1 Actuation technology, the rear derailleur moves at the same rate for every millimetre of retracted shifter cable. The gear range works smoothly and with precision, and effortlessly masters even mud and rocky terrain. Designed for comfortable operation, the shifter reduces hand fatigue during long rides,