26" from The underside of frame to the best on the tackle bars. Seat type selection for a flat or raised end. Axle hanger selection choose from one" or one.25" axle hanger choice(no alternative at the moment) Motor mount plate selection choose between big block or little block mounting plateas https://sluggershits34926.blogkoo.com/5-tips-about-mini-bikes-for-sale-you-can-use-today-51456509