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
Manufacturers Association of Nigeria has active branches in many states of the federation and in the specialized industrial zones of Ikeja and Apapa. MAN has a council headed by a President and a secretariat at Ikeja managed by a Director-General. The organization has ten sectoral groups made up of companies in related industries. As a representative body of manufacturers, MAN nominees represent the interest of manufacturers in the boards of a number of government institutions. Also, MAN has made recommendations to the government that have come to fruition. The Raw Materials Development and Research Council was established on the recommendation of MAN while it