Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever for Rim Brakes - Left, 2x, Black chamois creams & skin care Hood shape and texture optimize

Hood shape and texture optimize grip and brake power transmission

These R8 rear derailleurs have composite and steel parts that weigh more but have the same durability and performance as R9 and R10

Radial laced

to design a helmet that would meet the highest demands of downhill mountain bike racing

AirBoost air inlet at the front increases front vent surface area by 32%

Ultegra ST-8150 Di2 Dual Control Shift/Brake Lever for Rim Brakes - Left, 2x, Black chamois creams & skin care Hood shape and texture optimizeShimano 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