SHIMANO Ultegra Di2 R8150 Front Derailleur - 12-Speed - Braze-On wahoopromo Barrel bosses at the dropouts

Barrel bosses at the dropouts and crown

Designed specifically with the rigors of e-bikes and daily commuting in mind

Campy derailleurs work best with cassettes up to 11-36

For Ultegra 6703 and 105 5703 triple drivetrains

high volume design allows triple the airflow

SHIMANO Ultegra Di2 R8150 Front Derailleur - 12-Speed - Braze-On wahoopromo Barrel bosses at the dropoutsMore compact and faster than ever, the ULTEGRA R8150 front derailleur performs digitally precise front shifts under any circumstances. Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with our fastest, most seamless action. Shimano's fastest ever front shifting, 45% faster than FD R9150 Smaller, sleeker, lighter Frontal area reduced by 33% Weight cut to 116 g Top