Shimano SLX RDM675 SGS 10speed rear derailleur is part of the DynaSys group of components from Shimano and is compatible with other DynaSys parts Designed for optimal use with HGX 10speed drivetrains;Shimano SLX rear derailleur Shadow Plus Top normal 10 speed medium cage RDM675 GS ShadowPlus technology with stabilizer;Shimano Miscellaneous Rear Derailleur Parts OEM inner cage plate for XT RDM786GS, SLX RDM675GS "B" fit for XTR RDM986GS, Deore RDM615GS, RDM610GS Shimano Rear Derailleur Parts Miscellaneous Rear Derailleur Part UPC Shimano Slx Rd M675 Gs Mountain Bike Rear Derailleur 10 Speed Long Cag The Bicycle Guys Slx rd-m675-gs