Precision-engineered Ultegra STI levers with carbon levers offer powerful braking and effortless 10-speed shifting, making them the ideal choice for both enthusiast and competitive ridersShift cables are routed under the bar tape: re-development and positioning of the internal mechanism in combination with PTFE coated cables have made this possible, providing faster, lighter and smoother shiftingErgonomic shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changesBrake lever pivots have been positioned to increase power and improve ergonomics when riding on the hoodsTuneable reach adjusters enable custom fitment for all handsWeight 445 grams per pair