Yeah, they're uh... [How describe them... OH! He had been flipping through some books and magazines from earth to try and find something similar that he could maybe build from.]
They're like a motorcycle from Earth but... they fly, or hover, whichever you prefer. We're talking splatter-you-all-over-the-wall-if-you-fail-miserably-at-driving kind of speed. Part of the prerequisite is to build and modify your own, make it unique while staying within regulation. Or knowing how to use loopholes and get away with shit, as most riders did.
[If Reid is A Star Wars fan he may first think of the swoop bikes from the newer movies. Or with his knowledge he may know the roots of the word Scarper]