Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever for Rim Brakes - Right, 12-Speed, Black Long sleeve jerseys The S-Tubo-MTB was developed to

The S-Tubo-MTB was developed to have a minimum possible packaging size

Inner rings have two installation positions to work with either type of outer ring

and its center section is aero bar compatible

extensive field and lab testing proves that Chisel Comp EVO has achieved the impossible—the efficiency

An included 1

Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever for Rim Brakes - Right, 12-Speed, Black Long sleeve jerseys The S-Tubo-MTB was developed toShimano Ultegra ST R8150 levers combine the accuracy of Shimano 12 speed Di2 shifting with the light weight of rim brakes. Quick and intuitive shifting Clearly defined click feeling with ergonomic shifting lever Better bike control and confidence in race conditions Hood shape and texture optimize grip and brake power transmission