The assembly time for a bike purchased from Citizenbike.com can vary depending on the specific model and the customer's experience with bike assembly. Generally, for most models, it can take anywhere from thirty minutes to two hours. Those who have prior experience with assembling bicycles may find the process quicker, while beginners may need more time to read the instructions fully and carefully complete each step. Citizenbike.com typically provides detailed assembly instructions and all necessary tools to aid in the process. It is recommended that customers review the assembly manual and familiarize themselves with the components before beginning. For additional assistance or tips, customers may also find helpful resources on the current web page.