Black Brake Proportion Valve Adjustable Prop Brake Bias Adjuster Racing Lever UK
Carburettor for 2-stroke Mantis 7222 7225 7230 7234 tiller C1U-K54A 1252001 E8H3. Rotating the adjuster knob clockwise until it is all the way in. Fully regulates the front to rear brake pressure by placing the valve in line to the rear brakes.