Rear Derailleur

RD-R8150 P-tension spring is product number 8 in the attached imageGenuine Shimano replacement part..

Ultegra Shadow design with Di2 technology, shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gearThe rear derailleur is now the brains of the system with wireless connectivity to the shift..

Ultegra rear derailleur replacement guide and tension pulley setSuitable for Ultegra RD-R8150Its recommended that you replace your derailleur pulley wheels periodically for the best shifting performanceSet comprises of two pulley wheels and is a genuine Shimano replacement part..

RD-R9100 B-tension adjusting screw and plate is product number 4 in the attached imageGenuine Shimano replacement part..

RD-R9100 bracket axle unit for normal type is product number 1 in the attached imageGenuine Shimano replacement part..

RD-R9100 cable adjusting bolt unit is product number 3 in the attached imageGenuine Shimano replacement part..

RD-R9100 cable fixing bolt and plate is product number 6 in the attached imageGenuine Shimano replacement part..

RD-R9100 inner plate is product number 12 in the attached imageGenuine Shimano replacement part..

RD-R9100 outer plate and plate stopper pin is product number 10 in the attached imageGenuine Shimano replacement part..

RD-R9100 stroke adjusting screws and plate is product number 7 in the attached imageGenuine Shimano replacement part..