Is a rectangular box really the most appropriate and efficient shape for a brake caliper? AP Racing has now proven that it is not. However, until the advent of the Radi-CAL, the same basic rectangular, boxy shape remained the accepted standard. All of these innovations pushed calipers towards becoming lighter, smaller, and stiffer. Beryllium, MMC), forging rather than casting, monobloc design, etc. Over the years, many different strategies have been employed to shrink the brake caliper footprint while maintaining adequate stiffness: More robust caliper bridge designs, two-piece calipers with steel through-bolts, exotic materials (i.e. Radi-CAL = Massive Dynamic Stiffness Increase Fortunately, the Pro5000R calipers use a new drop-forging technique that has dramatically lowered the manufacturing cost and the resulting price of entry, bringing this incredible technology to the masses. AsĪ result, the price of these calipers has historically been prohibitiveįor the average club racer, time-trialer, or HPDE participant. Material to achieve the final form is both time-consuming and costly. As one can imagine, machining away all of that Intricate calipers have traditionally been machined from proprietaryĪluminum alloy billets. Quite simply, they are the lightest, stiffest, and most technologicallyĪdvanced brake calipers that have ever been within the average And while they embody and employ the Radi-CALĭesign philosophy of the past, they also add some outstanding newįeatures that enhance their practicality, convenience, and appeal. They're the epitome of pure racing design: elegant, sparse,Īnd brutally effective. They don't look ordinary, because they're TheseĬalipers are direct descendants of the current crop of F1 and Sprint CupĬalipers. Racing, there can be no doubt about the Pro5000R pedigree. Efficient Packaging- The asymmetric caliper profile and internal fluid porting allows the caliper to fit into tighter spaces.Ĭalipers CP9661 Pro5000R, The Everyman Radi-CALĮight years, numerous generations of the design concept, andĪdvancements in manufacturing techniques, but the Radi-CAL has finallyĮvolved into a viable solution for racers and enthusiasts of all levels.Optimized Airflow- Air moves around and through the caliper more efficiently, providing superior heat evacuation and cooling.Considerable Mass Reduction- Removing all extraneous caliper mass lowers the caliper weight, despite the huge stiffness increases.Pedal feel & modulation, more even pad wear, and longer caliper conventionalĬalipers allows for far less deflection under load, which means superior Please visit our blog and read The AP Racing Radi-CAL Story.Ī 30+ % increase in both static and dynamic stiffness vs. For more details on the design conceptĪnd what these calipers have achieved in professional racing, Victories at all levels of professional motorsport, while redefiningīrake performance expectations. Since their inception inĢ007, these revolutionary calipers have amassed a lengthy string of race Pinnacle of current brake caliper technology. Radi-Cal technology is grounded in Computer Aidedĭesign (CAD) and Finite Element Analysis (FEA), and allows for organic,Īlien-looking designs that are a radical departure from conventionalĬaliper designs of the past. Is a blanket term used to describe AP Racing’s patented asymmetricalīrake caliper design. Please use the drop-down menu to select your pads. When purchasing our kit, you are able to choose one set of front pads at a substantial discount vs. System and allow our customers to choose the pads that best suit their Probably don't want anyway, we've decided to remove the cost from our Rather thanĪrtificially inflating the price of our system with a set of pads you Set of inexpensive, low quality pads with their brake kits. Racingīrake pads are a highly personal choice. Brake pads are NOT included with our system.Caliper Bridge Pad Tension Clips (frequently referred to as anti-rattle clips).One pair Spiegler Stainless Steel Brake Lines with abrasion resistant coating.One pair caliper mounting brackets and hardware.If you are using aīrake pad brand other than Ferodo and are interested in compatible discīurnishing, please contact Essex support prior to purchase. Disc burnishing in Ferodo Racing pad compound included at noĪdditional charge (normally $150 per disc pair). Racing discs, with fully floating 6061 hard anodized aluminum hats and One pair 394x34mm AP Racing 84 vane, J Hook.One pair AP Racing CP9661 Radi-CAL Pro5000R racing calipers.
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