Different types of gearboxes and the associated special requirements demand lubricants that ensure optimum gear shifts even under extreme conditions. Four-cylinder high-performance engines for which rapid gear changes at very high speeds are normal or one-cylinder TRIAL machines that are subjected to a different but also very extreme gear-changing situation: two special examples that give good reason for the variety of products offered. Specially designed gear oils make all the difference, from a scooter to a cruiser.