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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