Shimano Ultegra Di2 R8150 12 Speed Front Derailleur

Shimano's new 12-speed road groupset delivers unparalleled control and comfort anytime, anywhere - whether you're competing in an amateur race, chasing your personal best, or out for a social ride. That is "Science of Speed". And it's what sets SHIMANO apart from the rest.

The ULTEGRA R8150 front derailleur is more compact than ever and a genuine power unit. The front derailleur switches perfectly seamlessly between the chainrings and performs its shifting operations with digital precision in all conditions. In addition, the front has been reduced, thus optimising aerodynamics.

• FULLY CUSTOMISABLE
  • The drive can be adapted to the rider's preferences via the E-TUBE app
  • Among other things, the shift speed can be set, a fully or semi-synchronous shift mode can be selected and the programme buttons on the gear lever can be assigned specific functions
• WHEN EVERY SECOND COUNTS
  • Our exclusive wireless protocol increases shifting speed without sacrificing any of the shifting precision and reliability SHIMANO is known for
• Frontal area of attack of the front derailleur reduced by 33%
• Fastest gear changes front and rear
• Compact and clean optics

• Shimano's fastest ever front shifting, 45% faster than FD-R9150
• Smaller, sleeker, lighter - Frontal area reduced by 33% - Weight cut to 116g
• Top gear teeth capacity: 50-54T
• Weight: 110g