Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever for Rim Brakes - Right, 12-Speed, Black Long sleeve jerseys extensive field and lab testing

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

like the wind from which it takes its name

and wide trails where navigating through large rocks and tight bushes is not a concern

This saddle boasts all day comfort and a shape that everyone can enjoy

Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever for Rim Brakes - Right, 12-Speed, Black Long sleeve jerseys extensive field and lab testingShimano 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