"They kind of look like Jack's D-wheel." He comes closer to inspect it more thoroughly, and... "Is that Reira's duel disk? You're making Reira a D-wheel?!"

Is that safe? Probably not, he's a little worried how far she can go with that thing, but... it doesn't look as powerful as the real thing. Those bike's can't have the speed of a motorcycle, right?

"Don't get her duel disk stuck in there. She only has one!"