Hello Hello. Stephen @Whataspoon here again with another helpful inline skating buyers guide.
So how do Inline Skate wheels spin? You put those little metal things in them right? These round pieces of steel with balls inside are called bearings and they are the reason all these inline skaters are rolling around so smoothly.
For skating, bearings typically come in one size but there are many different types of bearing. Let's take you through what bearings do what and help you choose the best ones for you.
Check out the Inline Bearings Buyer's Guide here.