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 & your hands on the new EPS controls. Snap into the pedals, & you're 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 & precisely into the desired position without wasting a hundredth of second more than necessary, letting you focus every ounce of your energy on beating the clock or your opponents.