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Akebono offers a rear integral caliper with a ball-and-ramp parking mechanism that achieves a two-stage apply ratio. With the high efficiency ball/ramp design, an internal cable-applied mechanism pushes the piston and pads against the rotor for parking.
This brake uses our existing proven piston sub-assembly and adjuster designs, combining them with a high efficiency two-stage ball-and-ramp application mechanism. The ball-and-ramp design provides fast initial piston travel and high clamp force for hill hold. In a benchmark comparison test versus a competitor’s product, Akebono’s AD38 caliper required 30 percent less cable force and 10 percent less travel to achieve hill hold.
Benchmark testing shows Akebono parking brakes lead competitors in load and travel performance. Our ball-and-ramp parking brake (AD38PR), for example, requires 30 percent less force and 10 percent less travel than our nearest competitor’s product.