Carbon fiber brake lever with unidirectional finish and UltraShift ergonomics provides safe grip on handlebars in all positions and faster, more precise command on leversMode buttons allow the user to check battery charge, make fine adjustments to the rear or front derailleur - even in the middle of a race, and set the zero position of the rear and front derailleur5-dome technology perfected by Campy Tech Lab together with Campagnolo athletes has made it possible to strike the perfect balance between operating force and tactile shift feedbackNew lower position of the lever 3 ensures easier access from all riding positions allowing the athlete to shift easily from the hoods or the dropsVari-Cushion hoods feature a variable density weave that improves comfort and special design that helps drain off water keeping the support cover dry and increasing grip100% waterproof - all control components are built to operate in any weather conditions in compliance with the IP67 standardDouble curvature brake lever allows you to engage and modulate the brake safely from any hand positionEP21-SRD12RR4EPSRight/Rear12sHydraulic DiscCrbnFlat Mount140mm