The MOTOR TRIKE is a patented retrofit for most popular touring motorcycles. An installed MOTOR TRIKE kit adds less that 200 pounds to the original weight of the bike and enhances the handling and braking performance. We use Ford differential housings that have been modified to meet our specifications. With a choice of gear ratios from 2:73 to 4:11, any performance or economy criteria can be met. Our axles are new, custom made for MOTOR TRIKE, and meet our rigid standards for performance and durability.