With fresh performance bearings you get a much more active and quick rear suspension, eliminating play and wag all at the same time. Upgrading your rear suspension with Enduro Bearings MAX bearings will save you time and money, as they will perform well 2 or 3 times longer than the stock set up. If you or your mechanic are going to tear your rear end down for a rebuild, you want to use the best Enduro Bearings MAX bearings, period.