Every CeramicSpeed Ball is made of the highest quality Grade 3 Silicon Nitride, featuring the highest achievable surface finish and roundness. The quality of the balls is what determines the performance and longevity of a bearing.
The production of a CeramicSpeed Ball is a time-consuming process that ensures the highest quality ceramic ball, which is smoother, rounder and harder than any other steel or ceramic ball available on the market.
400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry.
Grade 3 Silicon Nitride making them second to none
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