Shimano

RD-M820 P-cover unit is product number 4 in the attached imageGenuine Shimano replacement part..

Shimano's new Direct Mount Rear Derailleur system gives more space around the rear frame dropout resulting in easier rear wheel removal but also allows frame designers to shorten chain stays, increase axle sizes and move suspension pivotsDirect Mount gives a simpler, cleaner lookDeore XT Shadow+ Dyn..

RD-M820 switch lever unit and fixing plate is product number 15 in the attached imageGenuine Shimano replacement part..

RD-M9000 B-tension adjusting screw and plate is product number 13 in the attached imageGenuine Shimano replacement part..

RD-M9000 bracket axle 2 for direct mount type is product number 2 in the attached imageGenuine Shimano replacement part..

RD-M9000 bracket axle unit for normal type is product number 1 in the attached imageGenuine Shimano replacement part..

RD-M9000 cable fixing bolt and plate, M6 x 9.2 mm is product number 12 in the attached imageGenuine Shimano replacement part..

RD-M9000 inner plate SGS is product number 18 in the attached imageGenuine Shimano replacement part..

RD-M9000 nose is product number 12 in the attached imageGenuine Shimano replacement part..

RD-M9000 P-axle unit and O-ring is product number 9 in the attached imageGenuine Shimano replacement part..

RD-M9000 P-cover and cap is product number 5 in the attached imageGenuine Shimano replacement part..

RD-M9000 P-cover unit is product number 3 in the attached imageGenuine Shimano replacement part..