In order to meet the demands of highly stressed motorcycle engines and transmissions, Royal Purple's professionals have created the Max-Cycle synthetic engine oil. Max-Cycle is created particularly to be used in both air-cooled and liquid-cooled 4-cycle engines. This outstanding oil is able to work in harmony with wet-clutch transmissions. Royal Purple's Max-Cycle is made as an ideal mixture of selected synthetic base oils and Royal Purple's special Synerlec additive technology. Max-Cycle will bring you superior film strength. Thanks to its shear stability and oxidation resistance, Royal Purple's Max-Cycle will protect your engine from heat. And this means you will get more horsepower. Royal Purple's Max-Cycle is offered in various viscosities.

Royal Purple manufactures a variety of innovative, high performance lubricants for virtually every consumer and industrial application. The company was founded by John Williams almost 30 years ago. Nowadays, Royal Purple has leading positions in the lubricant industry and its related associations.