Mountain bike hubs-Shim Ft Der,Ult,Di2,Braze Fd-R8050-F,Braze-On,11Spd Ultegra R8050 Di2 11-Speed Shimano Electdrive

Di2 Electronic Shifting
-Quick and smooth front shifting under high pedaling torque
-Programmed control of chain guide
-SHIMANO Synchronized shift
-Full and semi synchronized shifting program
-Redesigned to fit wider gear pitch without sacrificing shifting
-Shorter length of rear center (410mm) with O.L.D. 135mm
-SysteSystem communication with rear derailleur,for minimal chain drop
-N/A
-46-53T
-Front
-Braze-On
-132
-The SHIMANO ULTEGRA R8050 DI2 front derailleur delivers quick and smooth front shifting even under high pedaling torque. It has programmed chain guide trim settings and can be used in full or semi SHIMANO SYNCHRONIZED SHIFT modes.
-Available for Pickup within 2 to 1 businesses days