Last weld
On the chassis that is, and untill I spot some problem that can be solved with just another little bracket.
The two brackets shown are the seat belt lap strap mounts.
Seat Belts? well it isn't a motorised bicycle is it?. And you'll remember that the NSU hammocks did 247mph on 28 BHP. This thing has 90 BHP and the nose won't be on upside down (because unlike the FIM some people have learned something about aerodynamics since 1956), wouldn't you want to be strapped in? Flying through the air is for the birds - and motorcyclists of course.
You'll also note that there's clear space under the lower brackets. That's right, it's out of the jigs, free standing. If you ask Monoliner project leader Colin Russell nicely he might even show you rest of the pictures. Astonishingly, this project is on time and budget. Racers are much simpler than road FFs