SHIMANO Ultegra Di2 R8150 Front Derailleur - 12-Speed - Braze-On garminpromo Touch Screen Compatible Mobile Device

Touch Screen Compatible Mobile Device Sleeve (Replaceable Cover: LT-STM4RT)

Microfiber cover

steel rails

stainless steel and aluminum hardware

Riders want the derailleur to do its job shifting on command

SHIMANO Ultegra Di2 R8150 Front Derailleur - 12-Speed - Braze-On garminpromo Touch Screen Compatible Mobile DeviceMore 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