Please ensure you have a 13x compatible wheelset to be use this product If you would like to use 160mm rotors, then you will need to use the Disc mount adapters (CPS993A/B) Campag improved the Ergopower shifters of Ekar GT to excel in all gravel applications. Retaining precision and comfort, they have redesigned the palm area for better grip and control. The levers enable adjustment to customise the reach for your individual hand size and finger length. Laser-cut aluminium brake levers and textured handguard rubbers enhance your grip in all conditions. Comfortable and ergonomic levers and hoods, with a easily adjusted reach, give you precise, quick shifting and positive engagement - every time, at every speed, on every surface. The thumb lever design offers easy gear changes from any handlebar position, and Campagnolo's signature 3-gear up-shift. Technology One-Lever-One Action: for precise, quick shifting and positive engagement every time Vari-Cushion Hoods: comfortable safe grip with a surface that's easy to keep clean New thumb lever: easy to activate from any handlebar position including the drops Enhanced Grip: additional laser etched texture on the lever blades and controls, for sweat and water resistance Ergonomic adjustable reach: to suit any hand or finger size Specification Designed specifically for Ekar 1x13 groupsets Suitable for Gravel and All-Road riding Weight: 420g per pair