Shimano Ultegra ST-R8150 Di2 Dual Control Shift/Brake Lever Set Rim Brakes - Left Right 2x12-Speed BLK USB-C rechargeable Redesigned SERVO WAVE optimizes the

Redesigned SERVO WAVE optimizes the power curve and manages pad-to-rotor friction throughout the lever pull for better balanced braking while new Shimano low viscosity mineral oil keeps power consistent over a wider range of temperatures

}DT Swiss Ratchet LN Freehub Body - Shimano Micro Spline Standard Aluminum Sealed Bearing Kit w/ End Cap 12 x 142/148 mm

Hollowtech crank arms provide amazing strength and rigidity at a very light weight

Improved temperature stability over sustained descents makes this a rotor thats optimized for DH performance

}Finish Line Mineral Oil Brake Fluid - 32oz

Shimano Ultegra ST-R8150 Di2 Dual Control Shift/Brake Lever Set Rim Brakes - Left Right 2x12-Speed BLK USB-C rechargeable Redesigned SERVO WAVE optimizes theShimano 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