Gary Klein, who graduated from MIT in 1974, was an early innovator of aluminium frames, according to the Mountain Bike Hall of Fame, which inducted him in 1991. Klein moved to Chehalis, Washington, in 1980. Sources differ on when he added mountain bikes: around 1980 according to The Radavist, the mid-1980s according to Wikipedia. Trek bought Klein in 1995.
Key facts
- Based
- Chehalis, Washington, from 1980
- Ownership
- Trek 1995
Sources disagree: Klein's first mountain bikesAround 1980 (The Radavist) or Mid-1980s (Wikipedia).
Klein models
Years show the earliest and latest evidence found so far, not exact production dates.
Mountain bike
- AdroitThe Radavist features Tinker Juarez's 1993 Team Storm Adroit EX: double-butted aluminium tubing, a thin boron and carbon layer on the stays…1993
- AttitudeThe Attitude used the same 1⅝in down tube and double-butted aluminium tubing as the 1993 Adroit EX, according to The Radavist.Mentioned alongside the 1993 Adroit EX
Sources for this brand
Last updated 19 October 2026. Every fact on this page comes from one of these.