SPEED - Amphetamine Ceramix Gold bearings are capable of high speeds with the highest level durability and longevity.
PRODUCTION - Silicon Nitride ceramic balls have the lowest tolerances to make sure your board doesn't slow you down.
FEATURES - Ceramic bearings are lighter and faster than steel ball bearings with an oil-free raceway. Additionally, ceramic bearings pulverize dirt and dust meaning they stay cleaner, longer.
PRE-LUBRICATED - Amphetamine bearings are pre-lubricated with Amp Synthetic Speed Oil and are ready to provide high speeds straight out of the package.
INCLUDES - 16 Bearings which is enough for 8 wheels. These bearings are size 608, which has a 22mm OD (Outer Diameter) and 8mm ID (Inner Diamter/Opening Hole Size).