3/16" (4,762mm)
With this purchase, you support World Bicycle Relief with 10 % of the product value.
Product description
In each bearing, CeramicSpeed utilizes Grade 3 Silicon Nitride balls that posses the best possible surface finish and roundness, ensuring not only low friction when matched into hardened steel races, but also unmatched bearing longevity.
When developing bearings for extreme performance combined with a superb longevity, it is essential that the ceramic balls have an outstanding finish quality. Thanks to their high quality, the CeramicSpeed Balls are 400% smoother, 128% harder and 58% lighter than the standard steel balls, which are typically used in bicycle components.
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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