This is Tobias, one of our fastest riders. He has the top speed in our group. 73kmh.

2000kmh on his wheel. Zero problems.

Link to my GoPro Quik tutorial for Gauges/Stickers Speed Overlay
Requires GoPro 5 or higher.
https://www.youtube.com/watch?v=6kiXJrEKp38

I have no affiliation with anyone or anything.