Kestrel 4000-1987
Kestrel, a company formed by a group of ex-Trek Bicycle Corp. employees, set out in 1986 to revolutionize performance bicycles. When the Kestrel 4000 was introduced, it was the first commercially available bicycle frame completely made of aerodynamic carbon fiber tubing. Although carbon fiber, a super-lightweight, and strong material, had been utilized in smaller bicycle […]