Shimano Ultegra ST-R8150 Di2 Dual Control Shift/Brake Lever Set Rim Brakes - Left Right 2x12-Speed BLK MFPN=PF30-OUT-1 X1 & X1F compatible with

X1 & X1F compatible with all HT clipless mountain pedals

The Top Tube Mount places your computer front and center on the top tube of Gravel MTB and Adventure Bikes with preset mounting positions

Shape and relief exactly fit the female anatomy in the typical racing-related sitting position

absoluteBLACK Round Direct Mount 1x Chainrings are designed for SRAM DUB GXP and BB30 cranks that have a removable spider

The 30 mm wide carbon rim gives you the precision to stay on track even on the trickiest lines while a 240 hub keeps it spinning

Shimano Ultegra ST-R8150 Di2 Dual Control Shift/Brake Lever Set Rim Brakes - Left Right 2x12-Speed BLK MFPN=PF30-OUT-1 X1 & X1F compatible withShimano Ultegra ST R8150 Di2 Dual Control Shift Brake Lever Set for Rim Brakes Left and Right 2x12 Speed Black. Shimano 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 TECH SPECS