The appearance and frame of an underbone are quite different from that of a standard motorcycle, but the powertrain is functionally almost … See more

In Malaysia and Singapore this vehicle is commonly known as Kapcai or Kapchai, a slang word derived from Cantonese, being a combination of the … See more

The market for underbone motorcycles is dominated by Japanese manufacturers, though many of them are built in factories elsewhere, including China and Taiwan. In other cases, … See more

The underbone concept can be seen in some of the European mopeds of the early 1950s, including the NSU Quickly and the Heinkel Perle. The spine-framed, plastic-faired See more

Underbone motorcycles often come with storage, and this may vary between markets. In Southeast Asia, there is commonly a steel basket provided as there is none under … See more

Underbones are very popular in Southeast Asia and Greece. There is a demand for aftermarket and tuner parts. Many enthusiasts modify their underbones either for a show (such as … See more