The BSD blade disc is manufactured from a unique material known as "discalloy". Made in the UK, the BSD discs is available for both front and rear fitments. The Uniquely created blade slot design helps to remove hot gases from the braking zone in a quick and efficient way much more so than a uni-directional slot. This helps to keep the pads flatter and the brakes cooler. The function of the multiple overlap slots reduce the brake wind noise. These brake discs are designed to stop faster and run cooler with less thermal distortions plus great looks.