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
Centurion (bicycle company) Centurion introduced their first Taiwanese built model, the Signet. The Cinelli Equipe Centurion of 1985 (only) was a joint-venture of WSI and Cinelli of Italy. Early bike sales were limited to the West Coast, with the brand receiving wider exposure by the late 1970s. WSI stopped using the Centurion brand name in 1990, WSI later opened an office in Van Nuys, California, and eventually maintained offices in Dallas, Texas, Denver, Colorado and Dayton, New Jersey — in addition a headquarters in Newbury Park, California. After Weiner died, the company continued its growth under the management of Mike Bobrick. Cozy Yamakoshi,