The device shown in the picture is not a stabilizer, it is a steering dampener. The purpose of the dampener is the same as a shock absorber, it lessens feedback to the wheel from small road bumps and provides resistance to quick inputs from the wheel or the road. A steering stabilizer is a self centering device which not only lessens feedback to the wheel, but is also self centering. With the exception of the self centering from a spring, the internals of a dampener and a stabilizer are very similar. In the event of a front tire blow-out the stabilizer provides a great deal more control due to the self centering action of the spring.
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