The Motorcycles-Custom Built (Manufacturing) industry involves the production of custom-built motorcycles, which are designed and manufactured to meet the specific needs and preferences of individual customers. This industry is a niche market within the larger motorcycle manufacturing industry, and it caters to customers who are looking for unique and personalized motorcycles that are not available in the mass market. Custom-built motorcycles are typically built from scratch, using a combination of new and existing parts. The process of building a custom motorcycle involves a range of activities, including design, fabrication, assembly, and testing. Custom motorcycle builders work closely with their clients to understand their specific requirements and preferences, and then use their expertise to create a motorcycle that meets those needs.