Shimano is a Japanese company that manufactures bicycle components, fishing tackle, and rowing equipment. It is the largest bicycle component manufacturer in the world, and its products are used in bicycles of all types and sizes. Shimano's primary bicycle component lines are Dura-Ace and Ultegra, which are used on road bikes, and Deore and Alivio, which are used on mountain bikes. Shimano also makes several lines of fishing tackle, including spinning reels, baitcasting reels, and rods. In addition, Shimano manufactures rowing equipment, including oars and sculls. Shimano is known for its high quality products and innovative technologies. Its products are often imitated but never duplicated. Shimano is constantly improving its products and developing new technologies to meet the needs of its customers. Shimano products are used by cyclists and fishermen all over the world.