CeramicSpeed Ceramic balls 5/32" (3,969 mm).

CeramicSpeed makes some of the strongest, most accurate, and lightest rolling bearings on the market, which are all ceramic.

Ceramic bearings also provide better utilization of one's wattage.

Made with the highest possible finish and roundness, they are 400% smoother, 128" harder and 58" lighter than traditional balls.

The price is 10 pieces.