Whether you're looking for a competitive edge on a racing bike, or rediscovering the joys of cycling on a new mountain bike, Shimano components not only improve your performance, but make cycling a lot more fun. Shimano components have made a great contribution to the world of bicycle racing through advanced designs that reduce stress and make more efficient use of energy. The engineering behind these competition components is also applied to the full line of Shimano products so all cyclists can benefit from it.