SHIMANO Ultegra Di2 R8150 Front Derailleur - 12-Speed - Braze-On garminpromo The chrome hardened pin construction

The chrome hardened pin construction provides longer chain life

Microfiber cover

Riders want the derailleur to do its job shifting on command

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

SHIMANO Ultegra Di2 R8150 Front Derailleur - 12-Speed - Braze-On garminpromo The chrome hardened pin constructionMore 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