Schwinn Bicycle Company a separate deal with the China Bicycle Co. (CBC) to produce bicycles to be sold under the Schwinn brand. In retaliation, Giant introduced its own line of Giant-branded bikes for sale to retailers carrying Schwinn bikes. Both Giant and CBC used the dies, plans, and technological expertise from Schwinn to greatly expand the market share of bicycles made under their own proprietary brands, first in Europe, and later in the United States. By 1990, other United States bicycle companies with reputations for excellence in design such as Trek, Specialized, and Cannondale had cut further into Schwinn's market. Unable to produce
Belt-driven bicycle which allow riders of belt-driven bicycles to shift easily) are constantly innovating and introducing new designs such as the Shimano Alfine 11 and Fallbrook Technologies’s NuVinci. Other major internally geared hub makers include SRAM, Sturmey-Archer and Rohloff. Another option to provide gears is using a bracket-mounted gearbox like the Pinion P.18. manufacturers of belt-driven bicycles or belt drives include: Belt-driven bicycle A belt-driven bicycle is a chainless bicycle that uses a toothed synchronous belt to transmit power from the pedals to the wheel. The belts are typically made by the same manufacturing companies that produce timing belts for automobiles, machinery,