Are you thinking about getting the GoPROHER8 for MTB?
Here is some sample POV footage to help you decide.
Note: Hypersmooth High & Boost is not available in superwide view
Hero 8 Settings used:
Video :4K 30fps
Hypersmooth: ON (Low)
EV Comp: 0 or -1.0
White Balance: Aut0 I
SO Low: 100 ISO Max: 1600 Color:
Low Wind: On