Check out the Losi Promoto MX here:
RAMP:
You guys are going nuts over the world's Newest best RC motorcycles That was amazing that was amazing Tons of comments tons of questions and Everyone's freaking out over the fact That this has real functioning disc Brakes Do that one more time Yes everyone wants to see these on Crawlers [Applause] Laughs And yes it is chain driven This will be linked Below guys and it Comes in at a fraction of the cost of The real thing so you win