VEVOR Adult Tricycles Bike, 24 Inch Three-Wheeled Bicycles, 3 Wheel Bikes Trikes, Carbon Steel Cruiser Bike with Basket & Adjustable Seat, Picnic Shopping Tricycles for Seniors, Women, Men (Yellow)

Sorry, we don't have assembly service. You can assemble it according to the instructions. If you encounter any problems, our technicians will help you via email: https://www.vevor.com/pages/contact-us. If you really don't know how to assemble it, you can find a local bicycle shop to help you assemble it.