Beringer 4 Piston Radial Caliper
100MM Spacing for sport bikes and some supermoto bikes.
Perhaps the best brake system you can own and it's French.
All billet construction

Founded in 1985 by Gilbert Beringer and his wife Veronique.  The company that bears the Beringer family name is synonymous in Europe with very high performance braking systems for motorcycles, ATVs, racecars and - even Airplanes. It all started when Gilbert and Veronique, who manufactured Side Cars and were French national sidecar road rally champions were constantly dissatisfied with the modified automobile brakes fitted to their 3-wheel machines.  An engineer by trade, Gilbert started designing his own components and handed the manufacturing to local metallurgy specialists.  It was instant success. They soon sold their sidecar business, moved up the road to a small plant built within a mountain chalet, thereby respecting the local architectural style, a theme dear to the Beringer family, who later created the label “Made in Respect”.

By 1995, motorcycle tuning, or customizing, was real big in France - and every bike that made the cover of Option Moto magazine, had Beringer Brakes. This caught the eye of Frog Specialties founder, Philippe Danh, who struck a deal with the Beringer family to import their great products in the USA in September 1997.
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In the meantime, Beringer continued on their road to innovation, obtained several world patents for systems like their championship-winning (Stephane Chambon, Ducati 916, 1995) Aerotec 4-D quadruple front disc system. Their Aerotec ball bearing, pivoting brake master cylinder came soon after to alleviate the inherent design flaw of all other brake levers: side loads and friction due to the arcing manner in which the piston travels.  This same principal was applied to a floating rear master cylinder. Then came the Aerotec brake pad mounting system that totally frees the pads to move in and out. The Inboard system, derived from airplane technology, is the latest in Beringer’s innovations.
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Many Championships later (World endurance, World, European, United States, and other nationals in many countries in SuperMoto and ATV racing), Gilbert and Veronique Beringer decided to split the company in two divisions, retain and develop the aeronautic branch and hand over the keys to the “land based” division to a whole new crew.  This new crew moved into a brand new 16,000 sq ft state of the art facility near Lyon, France, in March 2010.  This new entity also brings a U.S. Base that is located in Arkansas.  This greatly assists in domestic U.S. matters.  In addition, the U.S. Base incorporates a proprietary forging technology called Cobapress - that will allow Beringer to produce top quality forged calipers for a fraction of the cost of the original billet components.