Bicycle handlebar a steep U-shape from the base, so that the rider's hands rest above waist-level. This style of bicycle handlebar became very popular in the 1960s after the introduction of wheelie bikes such as the Schwinn "Sting-Ray", Raleigh Chopper, and other highly stylized youth bicycles that imitated the appearance of drag-racing or chopper motorcycles of the day. Legislation in the United States introduced during the 1970s limited the maximum height of manufacturer-installed handlebars to 16 inches above the lowest seat setting; European Union safety regulations use a similar limit of 400mm. The apehanger style remained common in the US through the
Bike Arc Bikestation at the Caltrain depot. In 2009, the American Institute of Architects, California Council, gave Bike Arc the Honor Award for Small Projects. Mr. Bellomo and Mr. Selzer—both being bicycle enthusiasts—set out to design bicycle-parking systems that don't touch and potentially damage bicycles, a solution that prevents bicycles from contacting each other, which can cause wear-and-tear. Bike Arc is patented in both the United States and in Europe (Office for Harmonization In the Internal Market), and the company offers multiple iterations of the same fundamental concept: a modular structure of steel arcs. The Bike Arc family includes the Rack Arc,