They are perfectly legal, we’ve checked the rules and have gotten approval from various robot inspectors. As you might have seen, there’s multiple robots with under the bumper intakes that chose to raise 1 section of their bumpers, which is also legal. Instead of going through the hassle of making those, we decided to raise the whole bumper and lower our frame so that notes don’t get stuck underneath. Thanks for asking!

It’s the VEX Pro 2” Rollers that come preinstalled with the silicone cover

No thanks, sleep isn't necessary