These are genuine bearings sourced by Mavic from Ceramic Speed. These are NOT cheap Chinese counterfeits. Remember that you get what you pay for.
This bearing set is used in a couple of Mavic rear wheels, including, but not limited to,
2017+ Ksyrium Pro Carbon SL C Disc HR
2017+ Ksyrium Pro Carbon SL C Disc
This bearing set includes two bearings: (20 X 32 X 7) and (25 X 37 X 7)
Mavic part #: V2540501