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Cunningham built a total of 187 aluminum bicycles (the Indian, the Racer, and the Wombat for smaller people) between 1979 and 1992. They were guaranteed for life and cost about six times as much as custom (steel) bikes. He is now a freelance inventor working on environmentally sustainable projects.
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339:. The brake arms, the pivot mounting location, and the linkage combined to eliminate flex in the fork blades and frame stays. This brake also featured the linear spring he invented, now used on almost all V-Brakes. The cam was eventually replaced with the Lever Link.
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the Grease Guard
Bearing System that allows bicyclists to replace the dirty grease that gets into bicycle bearings with clean grease in seconds, thus extending component life and saving time and money spent fixing and/or replacing
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is found in several museum collections. In his twenties, Cunningham studied nutrition, water quality, and chemistry, as well as engineering. At 25, he became interested in bicycles.
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570:, Poehlmann, Paul W.; Slate, Mark J.; Potts, Stephen M.; and Cunningham, Charles B., "Bicycle hub constructions and lubrication thereof", issued 1988-08-16
165:(WTB). Cunningham and Potts were forced out of WTB in 2002 for undisclosed reasons, at the urging of WTB's CEO, Patrick Seidler. Cunningham and his wife,
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design principles needed for well-performing mountain bike tires. Cunningham co-designed Ground
Control, a tire incorporating these principles.
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Cunningham came from an air force family and lived in
Alabama, Virginia, Japan, and San Diego during his childhood, ultimately settling in
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in 1949, the only year military jets (F-86) competed. His mother, Carol, was a book artist whose imprint
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In the early 1980s, Cunningham invented a number of features for use on modern mountain bikes:
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Cunningham raced competitively in 1984, placing tenth overall at the NORBA championships in
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135 mm lower-dish rear wheel for mountain bikes, which are now the standard
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161:and his helper Mark Slate, Cunningham co-founded
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136:Wilderness Trail Bikes
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568:US patent 4763957
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