Shimano ultegra 6700 2x10 speed sti shifter setprecision 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 riders featuresshift 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 mov