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
Giant from the Unknown Giant from the Unknown Giant from the Unknown (working titles Giant from Devil's Crag and The Diablo Giant ) is a 1958 independently made American black-and-white science fiction-horror film drama, produced by Marc Frederic and Arthur A. Jacobs, directed by Richard Cunha, that stars Ed Kemmer, Sally Fraser, and Buddy Baer. The film was theatrically released by Astor Pictures in March, 1958 as a double feature with "She Demons". The make-up effects were created by Jack Pierce, known for his Universal Pictures' classic monster makeup for Boris Karloff's "Frankenstein" (1931), "The Mummy" (1932), and Lon Chaney Jr.'s "The Wolf Man"