Quote:
Originally Posted by Vettezuki
The adapters should be fine forever, however, there's definitely increased load on the wheel bearings when going in a straight line. Not such a big deal for the number of miles you're driving, but considering what a bitch changing the bearings in the rear spindle is, maybe not so recommended for higher mileage dd type C3s. JMO.
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Spoke position doesn't affect bearing wear. The wheel adapters simply extend the mounting surface of the wheel. Many wheels are designed with deep mounting flanges to produce a desired spoke spacing. The rim does not flex, so the pivot point is at the hub... adapters, spacers or not.
What will affect bearing wear, is having an uneven backspacing/ offset on a bearing that was meant to be centered in the wheel (4" on an 8" rim). Meaning for example, if you run fender flares and a 12" rim with only 4" of backspacing then the bearing would tend to wear at the front/ top of the bearing surface. However running a 12" rim with 6" of backspacing, would not cause uneven wear. Or, running a 10" rim with 6" of backspacing (wider wheels, same stance) then the bearing surface would tend to wear at the back/ top of the bearing surface (on suspension compression).