http://www.speedtechrc.com/store/ebp...id=518&id=6233

these will go quick. if you are a mini inferno owner without the kmrc, you're missing a quiet drivetrain, better balancing during jumps, and a solution to the unreliable/inefficient middle diff (replaced by the clutch system).

btw, i'm just a kmrc fan and actually race a kmrc mini inferno.