Shimano

RD-M820 bump stopper unit is product number 16 in the attached imageGenuine Shimano replacement part..

RD-M820 guide pulley bolt is product number 19 in the attached imageGenuine Shimano replacement part..

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..

XT Shadow ES 12-speed wireless rear derailleur for the ultimate in shifting performance and durabilityPrecise and clean wireless shifting with Integrated on-board removable battery (BT-DN320 sold separately)The integrated removable on-board battery is protected within the linkageCrash recovery funct..

XT Shadow ES 12-speed wireless rear derailleur for the ultimate in shifting performance and durabilityPrecise and clean wireless shifting with Integrated on-board removable battery (BT-DN320 sold separately)The integrated removable on-board battery is protected within the linkageCrash recovery funct..