The chorus eps tt 11 speed bar end shifter from campagnolo are designed so you can step onto your aerodynamic bike place your arms on the bar end and your hands on the new eps controls snap into the pedals and youre ready to challenge the clock the new eps controls are designed to keep your hands in the most aerodynamically efficient position at all times with a simple click of the controls the front or rear derailleur move quickly and precisely into the desired position without wasting a