Rollerblade Bearings SG9 - 16pk GoPro Sizing: The below measurements are

Sizing: The below measurements are based on approximate palm circumference

Sold in a set of 4 wheels with 8 bearings

so your skates won't get wet if you are caught out in a storm

Check out the spectre here: You can mix and match colors

Rollerblade Bearings SG9 - 16pk GoPro Sizing: The below measurements areRollerblade's SG9 Bearings come in a 16 pack. These are the bearings Rollerblade uses in many of their traning and or performance level skates. They are fast, durable, and easy to keep clean and quiet. SG ratings are Rollerblade specific and said to be comparable to that of ABEC. SG stands for silicone grease. The silicone grease protects bearings from the elements and allows the wheels to spin fast while keeping them well lubed. High quality