Mavic ID360 MTB Freehub Body (Shimano) - V3780101
Fits Crossmax, Deemax, XA and many other Mavic MTB Rear Wheels
Some of the wheels this fits are ;
2019 Crossmax Elite / Light / Pro
2019 Deemax Elite / Pro
2019 XA / XA Pro / XA Light
2020 Deemax Pro Sam Hill
The freehub body is made of aluminium, and includes the internal bearing.