A-arm

The A-arm is a component of the suspension
system in the shape of an A or V found commonly on the front
suspension of a vehicle. The two legs of the A-arm are connected
to the vehicles chassis and can pivot on their mounting points.
The top of the 'A' is connected to the wheel assembly.
Depending on the design of the suspension system there can
be either upper A-arms, lower A-arms or both.
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