My 90 ranger trail trailer has EZ hubs (needle zerks) but also has bearing buddy's on the hubs. Can both be used together, or is one better then the other? Also, I'm afraid of breaking the thin needle inside the zerk, the needle I have is over an inch long and flimisy, how far do they have to be inserted. Sorry I'm kinda new at this, but also the lip where the grease seal rides against is rough and chewed up a bit will spindle seals help
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