Ceiling Track BAROMETER Ikea
https://www.ikea.com/ca/en/p/barometer-ceiling-track-5-spots-brass-color-70364638/ 
Length: 131cm (52")
Shade diameter: 6.5cm(3")

All rotating parts are logically connected using "Select and Link" for convenient rotation of the desired elements and everything is grouped into one.
To rotate the desired part - ungroup and rotate (preferably in the local axis)

Polygons: 62830
Vertices: 62452

In the archive:
.max2016
.max2013
.obj
.mtl
.jpg (texture)

Other model:
https://3dsky.org/3dmodels/show/spot_citylux_cl525540_ring 

All models:
https://3dsky.org/users/JOeMax/models