Trek Bicycle Corporation signed a long-term licensing agreement with Greg LeMond, the 3-time Tour de France champion and the first American to win the Tour—to design, build, and distribute LeMond Racing Cycles. 1995 was also the year Trek opened a state-of-the-art assembly facility in Whitewater, Wisconsin, leaving the Waterloo location free to focus solely on frame production. In 1997, Trek helped sign former world road race champion (1993) Lance Armstrong to the Trek-sponsored United States Postal Service Pro Cycling Team. Armstrong won his first Tour de France in 1999 aboard a Trek 5500, becoming the first American to win the Tour on an
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