 Zipp sells spoked wheels, disc wheels, and other products (including stems, seat posts, handlebars, handlebar tape, tires, tubes, and bags) through an international list of authorized dealers.In the early 1990s, Zipp built and sold the Zipp 2001, a radical "beam" bike, which has subsequently been discontinued.Zipp also produced mountain bike wheels at its inception, but dropped the program later in favor of a more specialized road line.