SPEED - Amphetamine Ceramix Silver bearings are capable of high speeds with a high level of durability and longevity.
PRODUCTION - Zirconium Oxide ceramic balls built for the highest precision for less friction, ensuring a smooth ride everytime.
LIGHTER - Amphetamine Ceramix Silver bearings are lighter and faster than traditional steel ball bearings with an oil-free raceway.
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).