Shimano Ultegra Di2 ST-R8150 12 Speed Shifters (Rim Brake) Size:L+R Set Two-piece head allows for easy

Two-piece head allows for easy O-ring replacement

Ride anywhere with smooth and precise gear changes

when there is no space for ratcheting

or 20mmDiameter: choose

Flexible compound

Shimano Ultegra Di2 ST-R8150 12 Speed Shifters (Rim Brake) Size:L+R Set Two-piece head allows for easyShimano Ultegra ST R8150 levers combine the accuracy of Shimano 12 speed Di2 shifting with the light weight of rim brakes Features 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 Specifications Double or Triple: Double Includes Brake: No (sold separately) Front Der Shifter Compatibility: