Amphetamine Ceramics Silver have special balls made out of a zirconium oxide ceramic material instead of the usual 'balls of steel'. Ceramic bearings run faster and more precise than regular bearings. Because of the closed steel shield, they are a lot more robust and avoid dirt to to destroy your bearings.
Features:
- 100% Zirconium Oxide ceramic balls
- lighter and faster than steel bearings
- Oil-free raceway provides longer running life
- 2 non-contact, closed steel shields
- Accelerate faster
- Roll faster and farther
