I have a 7mil 72mm supercub bike for sale. lightweight drag chassis. +12 out front and +8 out rear. engin is 72mm bore, 7mil crank with tz bearings, 1-5 override tranny by wcr, 39 keihin carbs, vforce reeds, slider clutch setup and etc. not going to tell all my secrets. bike goes straight and very consistent. asking $7,000obo. pm me for pics. wont let post them on here. says file is to big. buyer of this beast will be satisfied