Proflow brake proportioning valves are adjustable between 100 and 1000 PSI (depending on model) with a twist of a knob or the flip of a lever, and most can reduce pressure up to 57%. They let you adjust brake bias quickly and easily to compensate for changing track conditions, or for big and little tyre combinations.

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Proflow Brake Proportioning Valve, Adjustable, Knob Adjustment, Two Inlets, Three Outlets, Aluminium, Black

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Proflow Residual Pressure Valve, Blue Anodised, 2 psi, Disc Brakes, 1/8 in. NPT Female Inlet/Outlet, Each

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Proflow Brake Proportioning Valve, Lever Adjustment, 1/8 in. NPT, Single Inlet/Outlet, Aluminium, Natural, Each

Proflow Brake Proportioning Valve, Lever Adjustment, 1/8 in. NPT, Single Inlet/Outlet, Aluminium, Natural, Each

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