Skateboard Bearings – Important Role In Skateboarding.
Skateboard Bearings – Important Role In Skateboarding.: The wheels on a skateboard spin fast and freely as inside each wheel a bearing is used which lessens the friction between the wheels revolving and the non-moving board. The kind of bearings designed for roller sports equipment is called a miniature deep groove ball bearing; each wheel requires two bearings, one on both sides.http://is.gd/b9EpI
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