These are genuine bearings sourced by Mavic. NOT cheap Chinese counterfeits. Remember that you get what you pay for.
This bearing set is used in the 2016+ Ksyrium Pro Carbon Disc rear hubs, 2016+ Cosmic Pro Carbon Disc rear hubs, and others.
This bearing set includes two bearings: (28 X 17 X 7) and (28 X 15 X 7) and a circlip.
Mavic Part #: V2560201