High-precision integrated manufacturing technologies that only Sunstar can provide protect motorcycle riders, assuring the safety of braking and driving

Sunstar holds an overwhelming global market share as the world's No.1 maker of motorcycle sprockets and brake discs. The company has achieved this leading position as a result of Sunstar's integrated processes, such as press work and cutting, which bring together the company's unique manufacturing processing technologies and the advanced evaluation R&D that supports them. These are specialized high technologies that only Sunstar can provide.

Under the Braking and Sunstar product names, we develop, produce and market total brake system solutions for motorcycles, including discs, callipers, master cylinders, pads, wheels and sprockets. Our wide range of product technologies enables the development of total system solutions aimed at the improvement of the braking and handling functions so as to achieve higher safety and stronger control of the vehicles. Today, Sunstar has grown to be one of the world's leading players not only in providing OEM supplies, but also in the after-market and racing fields (61 world titles under the product brand Braking), holding an overwhelming global market share. Our high-performance, innovative Braking Wave^® discs, the first non-round brake disc, provides an effective solution to the problems of heat accumulation.

In addition, with a thorough understanding of the performance demanded for sprockets and brake discs, Sunstar has developed aftermarket products based on the vast amount of test results accumulated over its long years of production experience. Sunstar develops products that harmonize with other parts and achieve excellent safety, reliability and running performance. Unique design and functionality are effectively combined in these products. Sunstar is always pursuing development efforts to come up with next-generation products.

Product Information

• Italy
• Japan

Sunstar offers high-value-added products that professionals in the automobile and electric/electronic industries prefer to use

Sunstar offers high-value-added products such as adhesives and sealants for the production lines of the world's major automobile makers and production lines of electric appliances and mobile electronic equipment. The company has developed automotive materials based on strict environmental and safety considerations, such as a Formed In-Place Gasket that results in zero emissions and a hard structural foam hand-application cavity filler agent that possesses both the characteristics of being light in weight and having impact stability. Furthermore, the underfill material that was developed as a result of Sunstar's unique adhesive technology is protecting semiconductor packages, which provide the “brain” of such products as mobile phones, from impact shock and temperature fluctuations.

In the future as well, Sunstar will continue to offer high-value-added products that lead to technical advances by sensitively and speedily anticipating the needs of various industries.

Product Information

• Japan