Mobility Solutions

Greater stability when braking hard New Bosch motorcycle ABS goes into series ABS 9 plus with integrated pressure sensor

  • For motorcycles: new version of generation 9 ABS
  • Integrated pressure sensor for more braking stability
  • Currently the world’s smallest and lightest motorcycle ABS
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  • December 21, 2010
  • Mobility Solutions
  • Press releases

press release

Bosch is starting series production of a new version of the generation 9 ABS for motorcycles: the ABS 9 plus is currently the world’s smallest and lightest brake control system for motorcycles. “An integrated pressure sensor helps to detect as early as possible if the rear wheel is lifting up. This further improves driving stability when the brakes are applied heavily,” says Dr. Werner Struth, president of the Bosch Chassis Systems Control division. The new system is currently going into series in two motorcycle models. Kawasaki offers it as an option in the Ninja ZX-10R as the “Kawasaki Intelligent Anti-Lock Brake System (KIBS)"; Ducati is introducing it as standard in the Diavel. In early October, the EU Commission recommended making ABS mandatory for motorcycles to improve road safety.

When motorcycle drivers apply full braking, the dynamic changes in wheel load can cause the rear wheel to lift. To address this problem, all motorcycle versions of the generation 9 ABS evaluate how much each of the two wheels is slipping. If there is a danger that the motorcycle will roll over, the braking pressure on the front wheel is reduced. Bosch has integrated an additional pressure sensor into the new ABS 9 plus, which registers the braking pressure applied by the driver and can thus detect earlier if the rear wheel is lifting. The system can react more quickly.

World’s first ABS series built exclusively for motorcycles
Previous anti-lock braking systems for motorcycles were adapted from passenger-car systems, with small technical adjustments made. On the basis of the new generation of Bosch brake control systems for passenger cars, Bosch’s engineering center in Japan has now designed a standalone ABS series for motorcycles. The motorcycle ABS has a modular structure, allowing it to be adapted for a variety of function ranges: from the basic ABS 9 base version to the ABS 9 plus and the ABS 9 enhanced, which uses electronic combined braking system. The latter version makes it possible to brake both wheels, and allows an electronically controlled variable distribution of braking pressure, even when the driver applies only the front or rear brake.

All ABS systems for motorcycles are extremely compact. The pump housing, for example, is now considerably smaller, as it only has to house the control technology for two wheels instead of four. The control unit’s printed circuit board is mounted directly on the hydraulic unit, which increases vibration resistance. Due to shorter brake lines and smaller brake pistons, a recently developed, more compact return pump is sufficient. The result is that the system is now lighter and 50 percent smaller than its predecessor. The brake lever also vibrates less, and the system adapts the braking pressure even more quickly to the coefficient of friction between the wheels and the surface beneath them.
Bosch has been manufacturing antilock braking systems for motorcycles since 1994. There have been numerous improvements and further developments since then, and Bosch has delivered more than 350,000 antilock braking systems for motorcycles.

The Bosch Group is a leading global supplier of technology and services. It employs roughly 375,000 associates worldwide (as of December 31, 2015). The company generated sales of 70.6 billion euros in 2015. Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. The Bosch Group comprises Robert Bosch GmbH and its roughly 440 subsidiaries and regional companies in some 60 countries. Including sales and service partners, Bosch’s global manufacturing and sales network covers some 150 countries. The basis for the company’s future growth is its innovative strength. Bosch employs 55,800 associates in research and development at 118 locations across the globe. The Bosch Group’s strategic objective is to deliver innovations for a connected life. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.”

The company was set up in Stuttgart in 1886 by Robert Bosch (1861-1942) as “Workshop for Precision Mechanics and Electrical Engineering.” The special ownership structure of Robert Bosch GmbH guarantees the entrepreneurial freedom of the Bosch Group, making it possible for the company to plan over the long term and to undertake significant up-front investments in the safeguarding of its future. Ninety-two percent of the share capital of Robert Bosch GmbH is held by Robert Bosch Stiftung GmbH, a charitable foundation. The majority of voting rights are held by Robert Bosch Industrietreuhand KG, an industrial trust. The entrepreneurial ownership functions are carried out by the trust. The remaining shares are held by the Bosch family and by Robert Bosch GmbH.

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PI7210 - December 21, 2010

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