Fuji Bikes a steep decline in touring and road bike sales. This allowed manufacturers such as Specialized, Giant, and Trek to make inroads into Fuji's share of U.S. bicycle sales, often using frames produced at lower cost in Taiwan. With the continued rise of the yen, Fuji fell on hard times in the early 1990s. One of the last Japanese bike companies to shift production to Taiwan after the fall of the dollar, Fuji bicycles cost more in the United States than most competing brands, causing a drop in sales. Fuji bicycles produced in Taiwan were not as well regarded by U.S.
Racing bicycle using a "main triangle" with three straight tubular shapes—the top tube, down tube, and seat tube. These three tubes, and other parts of the frame, need not be cylindrical, however, and many racing bicycles feature frames that use alternative shapes. Traditionally, the top tube of a racing bicycle is close to parallel with the ground when the bicycle is in its normal upright position. Some racing bicycles, however, have a top tube that slopes down towards the rear of the bicycle; the "compact" frame geometry was popularized by Giant. Frame manufacturers are free to use any material they choose in