Generally, the bikes offered by Citizenbike.com are not fully assembled when they arrive. Most bicycles are shipped in a partially assembled state to meet shipping standards and ensure safe delivery. Typically, customers can expect to receive the bike with the main components, such as the frame and wheels, attached but may need to complete the assembly of other parts like the handlebars, pedals, and seat. The assembly instructions provided usually include detailed steps to help customers effectively put their bike together. Many find that this process is manageable with basic tools. If one is unsure or uncomfortable with the assembly, seeking assistance from a local bike shop can be a great option. It is always a good idea to consult the product description or assembly guide on the current web page for more specific information regarding the bike model purchased.