They last for years if you treat them correctly. I can only go on what I've read/been told, as I've only had mine for about a year. They have an adjustment bolt to re-tension them when they start getting a little too saggy.
@CasaSteve started
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They last for years if you treat them correctly. I can only go on what I've read/been told, as I've only had mine for about a year. They have an adjustment bolt to re-tension them when they start getting a little too saggy.