26" from The underside of frame to the highest of the cope with bars. Seat model choice for a flat or raised stop. Axle hanger selection choose between one" or one.twenty five" axle hanger possibility(no alternative at this time) Motor mount plate option choose from large block or smaller block https://mini-bikes-for-adults33197.activoblog.com/33666082/ego-mini-frame-fundamentals-explained