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For full details on bearings, please see our Kids Inline Skate Buying Guide

 

Bearing Grade: Inline skate bearings are an essential part of inline skates. Bearings will determine the smoothness of your kid’s ride when skating, and also their ability to reach higher speeds. Different companies have their bearings systems rated differently. For example Rollerblade uses the SG scale with 1 being the lowest and 9 the highest or faster and more smooth bearing. K2 is the same as far as the number rating but their rating is labeled ILQ as opposed to the SG of Rollerblade. Both rating systems are based off of the ABEC rating system which is a scale developed by the Annular Bearing Engineering Committee (ABEC). The higher the number rating of the bearing, the better efficiency and speed it will provide.