A swinging arm, also known as a swingarm, is a suspension component commonly used in motorcycles. It connects the rear axle to the frame and allows the wheel to oscillate vertically, absorbing shocks from the road and providing stability to the motorcycle. The design and material of a swinging arm can greatly affect the handling and performance of a motorcycle, and various types of swinging arms exist, including single-sided, double-sided, and parallelogram designs.

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