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I have 2 riding buddies that went down due to failed front wheel bearings. Wrenchy is spot-on, torquing the axle bolts correctly is critical. Additionally, the center spacer between the 2 bearings must be the proper length. If it has any play, excessive preload will be applied to the center of the bearings.
I use All-***** brand wheel bearings and change them every 4th tire change. Cheap insurance.
I had to replace mine around 7500 miles in my '08 Night Train. It had a growl on the rear. I changed all of them out. I went with SKF brand in mine and they are still feeling smooth at a little over 15000. When I do tires in the spring I will swap them out anyway. As others have said, cheap insurance.
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Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.
Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.
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Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.
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Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.
Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.