Swinging arm
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A swinging arm is a very common form of car (and increasingly motorcycle) suspension, particularly at the rear.
The term Swinging Arm has long been wrongly used to describe the traditional rear suspension of motorcycles, which is really swinging fork. However, since the 1990s, true swinging arm rear suspension has been increasingly fitted.
At the front, most cars use a different system, the McPherson strut and most motorcycles use telescopic fork.