Well ok im makeing a motorized cruiser bicycle. i need a bicycle.Meet three condtions .1.My Height Of a bike,2.linebreaks/ anything besides cruiser brakes.just because i heard they dont really slow you down when your going 20 mph +....3 less then 350 bucks or a little more .the cheaper the better .im useing this by the way A 49cc 4 stroke .http://www.bicycle-engines.com/49cc-4G-T-Belt-Drive-Complete-Gas-Powered-Engine-Kit.html