Hurricane adjustable brake bias reduction is used to easily adjust the brake balance between front and rear brakes. Billet made brake bias reducer that enables fine adjustment of the brake balance between front and rear brakes. By optimizing the brake balance, you get a more efficient braking system where you can use the rear brakes to the maximum without risking the rear wheels locking up during hard braking. Mounted on the brake line to the rear brakes and adjusted by turning the screw knob. Specifications: Adjustment range: 7-70bar (100-1000psi) Max pressure reduction is about ~70% 1/8" NPT thread in the adjustable brake bias 2 adapters included which have 1/8" NPT male to 3/8-24 female thread. This adjustable brake bias reduction is of the highest quality. Recommended for those who are serious about motorsport.