For what it’s worth, I’ve never once heard of a customer needing a bearing replacement while using our ultra-low dust covers. And we have shipped quite a few of them (with Alpha X, with Sigma X, and as separate purchases).
By regular maintenance, I mean things like cleaning/regreasing your bearings once a year. Not replacing them.
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TriRig.com
By regular maintenance, I mean things like cleaning/regreasing your bearings once a year. Not replacing them.
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TriRig.com