The bellows for the AL-KO 251 S / 251 G 251 S versions A and B braking system is a flexible plastic component designed to protect the moving parts of the braking system from external influences.
The bellows is installed around the area of the braking system where the moving parts are located. It protects these parts from dirt, dust, water, and other environmental factors that could affect the functionality of the braking system.
An intact bellows thus preserves the lifespan and efficiency of the braking system on the trailer.
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