I have no experience with these vescs specifically, flipsky however doesn’t have a great reputation in terms of reliability.
If I were in your shoes looking for a reliable, 75v capable, single vesc I’d probably go with:
The skp solo:
Or the lil foccer:
Iirc the solo is based on the lfoc but there are a few key differences
It does seem like we may be coming up on the release of the lfoc V4 if you’re willing to