"SRAM's Eagle Transmission Takes Flight in New Reviews and Releases"
SRAM has launched its new Eagle Transmission, a 12-speed electronic drivetrain that eliminates the need for wires, derailleur hangers, limit screws, or B-tension adjustments. The XO drivetrain has been tested for six months, covering over 1,000 miles and 175,000 vertical feet of climbing. The new groupset is available in three versions: XX SL, XX, and XO.