It's all in your hands. From any position on the handlebars, the ergonomics of Ergopower controls enable you to engage the rear derailleur and front derailleur with extreme speed and precision. The maximum in performance while safety and comfort are not to be neglected every detail is designed to provide the maximum comfort even after long hours on the bike. ULTRA-SHIFT ERGONOMICS. Safe grip on handlebars in all positions and faster, more precise command on levers. NEW VARI-CUSHION BRAKE LEVER HOODS WITH VARIABLE DENSITY AND SURFACE FINISHES Natural silicone material with differentiated areas to follow the grip of the 1st and 2nd finger. The grooved areas drain away water, keeping the brake lever hoods dry and improving grip. Internal weave to create a variable thickness that guarantees maximum possible comfort. ULTRA-SHIFT MECHANISM WITH DIFFERENTIATED MAXIMUM NUMBER OF UPSHIFTING CLICKS DEPENDING ON THE STARTING SPROCKET The only mechanical groupset on the market that allows multiple shifting up to 5 sprockets . Rapid positioning on the combination desired when there is a steep increase in the slope or when approaching a bend up to 4 combinations with chain on the frst 4 sprockets, up to 3 combinations with chain above the fourth sprocket . BRAKE LEVER HOODS AND CABLE HOUSING ARE AVAILABLE AS SPARE PARTS IN RED AND WHITE DERAILLEUR CABLE ADJUSTING BARREL Enables the tension of the derailleur cable to be adjusted perfectly, slashing adjustment time. Ultra-Shift ergonomics are improved with a reduced 60mm curve to fit more bars Improved Vari-Cushion hood ergonomics and compound for comfort Double curve brake lever with double cutouts for reduced weight Multi shifting technology 348 grams; each sold individually