Title: Leaking zerk fittings ruin a good product
Review: These appear to be solid, well made bearing protectors with one fatal flaw: the zerk fittings leak like a sieve. I've tried three different grease guns (which all normally work well), and none were able to get a good seal to the zerk: the grease just leaked out around the outside of the fitting.The zerk fittings are screwed into a nut: changing them once installed requires removing a snap ring, spring, and pusher plate, then holding the nut while unscrewing the zerk fitting - not a terribly complicated job, but certainly not easy: especially with everything in the vicinity covered in grease.
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