Precision-engineered Ultegra STI levers with carbon levers offer powerful braking and effortless 11-speed shifting, making them the ideal choice for both enthusiast and competitive riders Shift cables are routed under the bar tape: re-development and positioning of the internal mechanism in combination with Polymer coated cables have made this possible, providing faster, lighter and smoother shifting Vivid indexing provides a constant amount of shift lever force across all 11 sprockets Ergonomic shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes Powerful and controllable braking thanks to SLR-EV compatibility Tuneable reach adjusters enable custom fitment for all hands