Single-speed bicycle on the situation, a messenger may prefer a mountain bike based single-speed, which can roll over many obstacles, or a fast and light road bike-based single-speed. In the United States market, bicycle companies such as Bianchi, Cannondale, Fuji Bike, KHS, Kona, Raleigh, Giant, Specialized, Swobo, Felt, Trek and Niner all have produced and marketed single speed bicycles. Because most full suspension frame designs either have a single pivot that is not concentric with the bottom bracket, or a linkage with a variable center of rotation, the distance between the bottom bracket and rear axle varies throughout the suspension's travel. This
Specialized Bicycle Components and later agreed with Specialized he would change the drink's logo. In 2011 Portland wheel builder Epic Wheel Works was forced to change its name due to potential trademark conflict with Specialized. In 2012 the company sued two former employees after they started the bicycle brand Volagi Cycles, for theft of trade secrets and breach of employment contract, as well as other charges. Of Specialized's nine claims, eight were thrown out of court, and the jury awarded Specialized one dollar in damages on the remaining count (breach of employment contract) that went to trial. It was estimated by (Volagi's founders)