Behold Bauer's newest innovation: The The Bauer Fly-TI Steel Runner. The steel in Bauer’s upcoming high-end gear will be transitioning to Fly steel, which has been enhanced for greater response and power. The Fly steel series will include Bauer Fly-TI and Bauer Fly-X, and and is compatible with the PowerFly and Tuuk holder, however old Pulse steel will not fit in the new PowerFly holder.