Armstrong lever arm adjustable damper valves

These valves offer the user the ability to make their lever arm dampers adjustable and to change the lever arm damping characteristics. The adjustable element is a needle valve allowing oil bypass. Considering the 8mm hex’, fully anticlockwise is full soft and fully clockwise closes the bypass bleed and hence is the stiffest setting. Like all needle valves its best to turn the adjuster fully clockwise and then count the number of turns back from this position. These valves use a shim stack much like modern racing dampers. In this application it allows the damper to be far more progressive and have a smoother characteristic than the standard valve which worked on a fixed bleed and total blow off coil spring valves.

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Description

These valves offer the user the ability to make their lever arm dampers adjustable and to change the lever arm damping characteristics. The adjustable element is a needle valve allowing oil bypass. Considering the 8mm hex’, fully anticlockwise is full soft and fully clockwise closes the bypass bleed and hence is the stiffest setting. Like all needle valves its best to turn the adjuster fully clockwise and then count the number of turns back from this position. These valves use a shim stack much like modern racing dampers. In this application it allows the damper to be far more progressive and have a smoother characteristic than the standard valve which worked on a fixed bleed and total blow off coil spring valves.