FD-R8050, Ultegra Di2, Brazed On Type Workstands Featuring a patented dual-stage lock

Featuring a patented dual-stage lock

After more than 240 hours of use

gel storage and toggles for attaching race number

and it verifies the connection by using convenient LED lights

FD-R8050, Ultegra Di2, Brazed On Type Workstands Featuring a patented dual-stage lockThe SHIMANO ULTEGRA R8050 DI2 front derailleur delivers quick and smooth front shifting even under high pedalling torque. Programmed control of chain guide Full and semi synchronized shifting program System communication with rear derailleur, Programmed control of chainguide works for minimal chance of chain drop Quick and smooth front shifting under high pedaling torque SHIMANO Synchronized shift Redesigned to fit wider gear pitch without sacrificing