Ummagawd Botgrinder Demibot 5" Freestyle FrameThe great durability, flight performance, and sick looks of the DemiBot can be attributed to a few things working very well together. The beefy 6mm arms, mated together with a 6mm thick central block, all held together with 3mm thick plates, make the core of this frame a significantly dense piece of mass. The Demibot is definitely no ultralight, but that's also why it takes a beating and flies just so damn smooth with it's low frame resonance design