The strongest and lightest six-piston calipers available. Only 30 ounces complete with pads the combination of size, Weight, appearance, and high-performance make them perfect for race or custom bikes. Built in England by Harrison Engineering, the six-piston Mini Billet-6 weighs less than most four piston brakes but has 32 percent more pad area for maximum braking with minimum effort. They are computer machined from 6082-T6 billet aluminum for precision fit and durability. Phenolic pistons eliminate heat transfer for fade-free performance. Each caliper is polished and fluid tested to 4000 psi. Calipers sold each, complete with pads.