Kestrel USA the launch of the first carbon fork and the debut of the KM40 Airfoil, the first true aero triathlon frame. Carbon framesets by better-known, mainstream manufacturers such as Giant and, most notably, Trek (with its OCLV frames), have been directly influenced by Kestrel design principles. Kestrel builds monocoque frames rather than more traditional tube and lug designs. This has always meant that Kestrels have tended to have a very fluid, curved appearance. However, more recent designs from the company have been more angular due to an increased desire to minimise wind resistance. Kestrel USA Kestrel is an American bicycle brand
Bicycle helmet laws by country helmet use. Australia was the first country to enact mandatory bicycle helmet use for all cyclists. Mexico City has had mandatory cycle helmet laws repealed, and in Italy the Federazione Italiana Amici della Bicicletta managed to block a proposed helmet law. While bicycle helmets are not required to be worn by law in the United Kingdom the British Medical Association advocates the compulsory use of helmets. Cycling UK, the largest cycling advocacy organisation in the UK, consider helmet wearing as personal choice rather than being mandated by legislation. In 2002 an attempt was made to introduce bicycle helmet legislation in