Shimano FD-R8150 Front Derailleur Ultegra Di2 12-Speed Braze-On Brakes but form-fitting enough to not

but form-fitting enough to not get in the way

PM 140 to 180 mm rotor rear

SRAM Level TLM (2020+)

Laser-perforated palm aids in breathability and ventilation for the hottest spots on your hands

Shimano FD-R8150 Front Derailleur Ultegra Di2 12-Speed Braze-On Brakes but form-fitting enough to notShimano Ultegra Di2 FD R8150 front derailleur The Di2 actuators in the front and rear derailleurs of the current Ultegra series enable a significantly higher movement speed for a shorter movement time when changing gears and correspondingly rapid shifting processes. The Shimano Ultegra Di2 FD R8150 front derailleur speeds up the shifting process by 45 % compared to the previous generation Dura Ace model FD R9150. The front derailleur which has also