And It is just as effortless to set up, use, tune, and retain as any other 2-stroke bike engine. So if you want top speed without all of the parts, tuning, and problem of sup'ing up a bike engine, this 80/100c BBR Tuning Bike Engine Kit is in your case.Mega Motors: The Mega Motors line of bicycle motor kits is our entry-level, budget-welcoming lin