Page 4 of Beringer Breaking Systems for Motorbikes by Beringer Break Systems

Page 4 ISO 9001 REGISTERED CAST IRON FLOATING BRAKE DISCS For several years BERINGER has been developing a range of very high performance cast iron floating brake discs. These discs combine all the important notions to ensure an efficient and constant braking in every circumstances. The braking surfaces (outer ring of the disc) are entirely CNC machined ensuring an accuracy far superior to that of the stamped stainless discs fitted by motorcycle manufacturers . The material used (gray cast iron) is universally used by all the "high-performance" manufacturers. However, BERINGER has considerably developed this material in its chemical composition, casting processes and heat treatments, to give BERINGER discs their exceptional performance qualities, widely recognized in racing . The specific structure of our cast iron allows an extremely fast dissipation of the heat generated by the contact with the pads, resulting in a better balanced temperature distribution through the disc, between the surface and the inner metal .This dissipation is better than can be obtained with any other material (steel or stainless). To be more precise, although the average temperature of a steel disc or a cast iron disc will be identical (for a given braking situation), the maximum temperature in the cast iron disc will be lower, due to the better distribution between the surface and the inner metal. Also, the hot distortion of a disc is due to the difference between surface temperatures, resulting in uneven expansion of the disc (expansion is proportional to temperature). Thus, the steel or stainless disc becomes warped and conical, resulting in vibration and lower efficiency, and even going as far as cracking. This problem is non-existent in BERINGER cast iron discs. Thus, the cast iron braking surface remains perfectly plane, resulting in constant braking in all conditions (hot, cold, beginning or end of braking), while accepting far higher temperatures than stainless discs. This increases the braking power available by more than 40%. The coefficient of friction of our cast iron, due to its very fine grain, is also much better, requiring less pressure on the pads, for a given deceleration, than any other material (steel or stainless). The braking surface on BERINGER discs is subject to very little wear, resulting in a very long lifetime in normal road use, and more than a season of competition (endurance racing) with the AERONAL Racing. BERINGER brake discs are available in two types to answer to any kind of use: the CLASSIC discs the AERONAL discs FINITION of the parts: (concerning Harley, see page 27) The hubs of the floating discs are: BLACK ANODIZED for CLASSIC type RED ANODIZED for AERONAL type The calipers are RED ANODIZED for all types. Other colours are available on orders with an extra price of FA per serie of parts, with a 15 days delay. WARNING: The chrome plated finition is available but with a delay and an extra price of FB per part: this covering is strictly reserved for an occasional use. Under no circumstances, water or corrosive products (like removal of snow salt) must not stay on the chrome plating. This would cancel the guarantee. In the same way, chips caused by fine gravel would invalidate the warranty to. The polished finition is also available but with delay and an extra price of AA per part. EACH PART IS DELIVERED WITH AN ASSEMBLY AND GUARANTEE INSTRUCTION SHEET BRAKING PARTS ARE HIGH SECURITY ELEMENTS; YOU MUST READ IT COMPLETELY AND GIVE IT TO THE CUSTOMER. The discs are in original diameter except specifications. The calipers are mounted in original place except specifications. As the connection from the hose to BERINGER Calliper is made lower, it is often necessary to to put a longer hose. All the calipers are delivered with the BERINGER sintered pads (ABE approval). Drawings and photos are not contractual; they can be modified in the constant purpose of improving.

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