I have just under 15000 on my 2010 FXDC and have just had my 3rd rear tire put on. When I took it off I did notice the bearings a bit hard and ruff to turn. There wasn't any slop in them just tight and ruff. The dealer said he could hear the bearings when they balanced the tire and rim. Any body know what the life of the rear bearings should be? But a bad set of bearings is a bad set of bearings.