A bicycle frame is the main component of a bicycle, onto which wheels and other components are fitted. The modern and most common frame design for an upright bicycle is based on the safety bicycle, and consists of two triangles: a main triangle and a paired rear triangle. This is known as the diamond frame. Frames are required to be strong, stiff and light, which they do by combining different materials and shapes.
A velocipede is a human-powered land vehicle with one or more wheels. The most common type of velocipede today is the bicycle.
Vehicles that have two wheels and require balancing by the rider date back to the early 19th century. The first means of transport making use of two wheels arranged consecutively, and thus the archetype of the bicycle, was the German draisine dating back to 1817. The term bicycle was coined in France in the 1860s, and the descriptive title "penny farthing", used to describe an "ordinary bicycle", is a 19th-century term.
The Schwinn Bicycle Company is an American company that develops, manufactures and markets bicycles under the eponymous brand name. The company was originally founded by Ignaz Schwinn (1860–1948) in Chicago in 1895. It became the dominant manufacturer of American bicycles through most of the 20th century. Schwinn first declared bankruptcy in 1992, in 2001 Schwinn went bankrupt again and was purchased by Pacific Cycle, now owned by the Dutch conglomerate, Pon Holdings.
Colnago Ernesto & C. S.r.l. or Colnago is a manufacturer of high quality road-racing bicycles founded by Ernesto Colnago near Milano in Cambiago, Italy. It remained a family-controlled firm until May 4, 2020, when it was announced that the UAE-based investment company, Chimera Investments LLC, had acquired a majority of the Colnago shares from Ernesto Colnago, although the headquarters will remain located in Italy after the acquisition. Instead of following his family's farming business, Ernesto Colnago chose to work in the cycle trade, and was apprenticed first to Gloria Bicycles at the age of 13, and subsequently taking up road racing. After a bad crash ended his racing career, he began subcontracting for Gloria, and opened his own shop in 1954, building his first frames the same year. While building frames, he remained much in demand as a racing mechanic. He was second mechanic on the Nivea team Giro d'Italia under Faliero Masi in 1955, eventually being employed as head mechanic for the Molteni team of Belgian cycling legend Eddy Merckx in 1963.
Motobécane was a French manufacturer of bicycles, mopeds, motorcycles, and other small vehicles, established in 1923. "Motobécane" is a compound of "moto", short for motorcycle; "bécane" is slang for "bike."
Dawes Cycles is a bicycle manufacturer based in Castle Bromwich, England. Dawes produces a range of bikes including road, mountain bikes and tandems, but is best known for touring bikes, specifically the Galaxy and the Super Galaxy model lines.
Tom Ritchey is an American bicycle frame builder, Category 1 racer, fabricator, designer, and founder of Ritchey Design. Ritchey is a US pioneer in modern frame building and the first production mountain bike builder/manufacturer in the history of the sport. He is an innovator of bicycle components that have been used in winning some of the biggest cycling competitions in the world including the UCI World Championships, the Tour de France and the Olympics. In 1988, Ritchey was inducted into the inaugural Mountain Bike Hall of Fame in Crested Butte, Colorado : and 2012, inducted to the United States Bicycle Hall of Fame in Davis, California.
Roberts Cycles is a custom bicycle frame building business that was originally located in Selhurst near Croydon, South London, and is now located in East Sussex, England.
Keith Bontrager is a motorcycle racer who became a pioneer in the development of the modern mountain bike. Between 1980 and 1995, he was president of his own Bontrager Company, which continues to develop components for Trek Bicycle Corporation after Trek bought out Bontrager.
GT Bicycles is an American company that designs and manufactures BMX, mountain, and road bicycles. GT is a division of the Dutch conglomerate Pon Holdings, which also markets Cannondale, Schwinn, Mongoose, IronHorse, DYNO, and RoadMaster bicycle brands; all manufactured in Asia.
Reynolds Technology is a manufacturer of tubing for bicycle frames and other bicycle components based in Birmingham, England established in 1898.
Mondia was one of the most successful Swiss bicycle brands.
Lugged steel frame construction is a method of building bicycle frames using steel tubing mated with socket-like sleeves, called lugs. For most of the bicycle's history, steel has been the primary material for bicycle frames, with lugged construction the primary assembling method. Steel continues in use by builders of high-quality steel frames, though its dominance as a frame material has waned since the mid-1990s displaced largely by aluminum and carbon fiber; lugging has been displaced by TIG welding.
Univega is a bicycle brand created during the bike boom of the 1970s by Ben Lawee (1926–2002), who founded Lawee Inc. to design, specify, and import bicycles initially manufactured in Italy by Italvega, and subsequently in Japan by Miyata.
Claud Butler was a London-based bicycle dealer and frame-builder, who from 1928 created a chain of bicycle-retail shops in London and the Midlands. His company was one of the most successful of the inter-war era but failed after World War II and the resultant boom in motor buses and motor cars. The Claud Butler brand was bought from the receivers by other companies, and they are now produced by Falcon Cycles, a division of Tandem Group.
Harry Quinn Cycles were a family owned high-end English bicycle manufacturer located in Liverpool, England.
The Pedersen bicycle, also called the Dursley Pedersen bicycle is a bicycle that was developed by Danish inventor Mikael Pedersen and produced in the English town of Dursley. Though never hugely popular, they enjoy a devoted following and are still produced today. Their unusual frame is described as pure cross, was marketed as cantilever, and features a distinctive hammock-style saddle. Variations include lightweight racing, tandem, and folding designs. Other Pedersen innovations include two and three-speed internally geared rear hubs.
The Viking Cycle Company was an English bicycle company. Founded in 1908 in Wolverhampton as a bicycle repair shop, it became a manufacturer and sponsored a racing team. The company closed in 1967; the business was purchased and reestablished as Viking Cycles, an assembler in Derry, Northern Ireland. The brand was later sold to Avocet Sports of Manchester, which imported rebadged bicycles into the UK under the Viking name. Following the acquisition of Avocet by the Indian company Hero Cycles, the brand name has been used by its Insync Bikes division.
The Schwinn Paramount was a high-end racing bicycle produced under the Schwinn Bicycle Company brand from 1938 through 2009.
