Sponsors

In addition to fairly providing postal services at the lowest possible rates across Japan, Japan Post Co., Ltd. uses its post offices to provide customers nationwide with banking counter operations commissioned from Japan Post Bank Co., Ltd. and insurance counter operations commissioned from Japan Post Insurance Co., Ltd.
Our network of post offices is an asset shared by the people. We will maintain that asset and leverage it to benefit the public and contribute to local communities. We will also make our post office services more convenient, and work to provide comprehensive support for the lives of customers in our communities.

Hitachi Astemo was born in January 2021 from the merger of Hitachi Automotive Systems, Keihin, Showa, and Nissin Kogyo. We provide Advanced Sustainable Technologies for Mobility to the automotive and motorcycle industries as a leader in CASE technologies that include connectivity, autonomous driving, and electrification.
As a leading brand of suspension products that support driving, turning, and stopping, SHOWA is committed to research and development in pursuit of excellent ride comfort and handling stability.
We are determined to maintain our top share in the global market by providing safe, enjoyable, and environmentally friendly products with our strong brand and advanced technologies cultivated through the world’s most prestigious races.

Born in January 2021 from the merger of Hitachi Automotive Systems, Keihin, Showa, and Nissin Kogyo, Hitachi Astemo provides Advanced Sustainable Technologies for Mobility to the automotive and motorcycle industries as a leader in CASE technologies, which include connectivity, autonomous driving, and electrification.
As a leading brand of motorcycle braking systems, NISSIN continues to deliver braking products that boast high braking performance and superior durability to people all over the world.
By developing and providing ultimate performance for the world’s most prestigious races, we are feeding back our technology to mass-produced vehicles.

Headquartered in Tokyo,　Bridgestone Corporation is a world leader in tire and rubber, evolving into a sustainable solutions company. With a business presence in more than 150 countries worldwide, Bridgestone offers a diverse portfolio of original equipment and replacement tires, tire-centric solutions, mobility solutions, and other rubber-associated and diversified products that deliver social and customer value.

Introducing Akrapovič

Akrapovič is a manufacturer of premium exhaust systems for motorcycles and performance cars. It is renowned around the globe as a very innovative high-tech company that uses advanced technology and high-quality materials in exhaust system design. Akrapovič exhaust systems are renowned for increasing performance, unmistakable sound, innovative design, lightweight construction, quality workmanship, and durability. Founded in Slovenia 32 years ago by former motorcycle racer Igor Akrapovič, the brand has grown to international prominence through its successful support of racing teams that lead their class in many forms of premier motorsport. The company’s state-of-the-art factories in Slovenia also include an in-house titanium foundry and metallurgical laboratory. Akrapovič has over 1,800 employees and sells its products in over eighty countries.

Motul is a world-class French company specialised in the formulation, production and worldwide distribution of high-tech engine lubricants for all types of bikes and cars plus a wide range of other vehicles, as well as lubricants for industry via its MotulTech activity.

Motorsport has been Motul’s foremost creative and innovative laboratory since its first steps in racing in the 1950s, using racetracks and motorsport events around the world to develop, refine and test to the limits the products ultimately aimed at the end consumer. The company has therefore been a dedicated technical partner and official supplier to the finest teams and manufacturers in history, with one of the longest-standing and most valued OEM partners being Honda and its factory racing teams.

The trust and symbiotic working relationship that has developed over the years has seen Motul contribute to the performance, reliability and efficiency of HRC’s competition models over all terrains including circuits, off-road and desert. The strength of this partnership has resulted in multiple victories in many different championships, most notably three wins for HRC at the Dakar Rally – the first being in 1989 and the most recent being this year, 2021 – and several championship titles in MXGP including 2019 and 2020.

Motul is also recognised as the specialist in synthetic lubricants. As early as 1971, Motul was the first lubricant manufacturer to pioneer the formulation of a 100% synthetic lubricant for automotive engines, the 300V lubricant, making use of Esters technology and issued from the aeronautical industry. Among its international R&D centers is one in Japan whose engineers collaborate with HRC’s engine development department on a range of different projects including the development of tailor-made, high-tech, synthetic lubricants.

NGK SPARK PLUG CO., LTD., headquartered in Nagoya, Japan, is a　comprehensive ceramics processing manufacturer.
We hold a world leading share of spark plugs and automotive sensors for internal combustion engines　and also offer a broad lineup of semiconductor packages, cutting tools, bio ceramics and industrial ceramics.
Our global network of sales and manufacturing organizations with over 15,000 employees offer value creation to the world.
We are now contributing to a sustainable society by developing products related to the environment energy, next generation vehicles and the medical field.
The company’s belief is to embrace the challenge of new era under the catch-phrase of “manufacturing only one and number one product”.

Philosophy: “Advanced technologies are always used as the basis for high quality and high performance for our chains. The company opened the Saitama Factory and started operations in 1951. Since then, we have consistently manufactured superior products such as motorcycle chains, kart chains, industrial chains, etc.

With the support of motorcycle enthusiasts and after incorporating over 60 years of achievements and experience, RK JAPAN offers superior technology that meets the demands and desires of today’s motorcycle riders. RK JAPAN has crossed many borders and has expanded throughout the world to become known to motorcycle fans as the very best in drive chain performance.”