Ball detent technology and small enough to fit in your pocket and make it your keychain

Skate faster and smoother with clean bearings

but softer up top should you happen to clip or fall on one

prevents leaks during transit

Stiff and light that guarantees superior control

Rollerblade Bearings SG9 - 16pk Cups Ball detent technology and smallRollerblade'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