Hey guys just wondering if this is normal?

I have no driveability concerns or noises, just happened to notice is the other day when working on my front end.

Both rears are rock solid, only fronts do this.

Thoughts? Thanks in advance!

2015 RZR XP 1000 Desert Edition

https://youtu.be/Q2REi-qQe-8

Utah RZR Rentals

whence