Cunninghambikes

Charlie began development of the Roller Cam Brake in 1980, later patenting it and licensing it to Suntour.

With collaboration from Mark Slate and Steve Potts this brake continued to evolve and was sold through WTB with improved linkages.

Today the Toggle Cam and Lever Link versions are among the most highly evolved rim brakes with incredible power, accuracy and ease of adjustment.

The linear spring that Charlie designed and first used in the Roller Cam brake because of its superior centering characteristics, feel and adjustability was later adopted by Shimano and other manufacturers, becoming the standard spring for V-brakes.