Capricorn C03 Ceramic Bearings by World Champions ACER Racing: the world leaders in high performance bearing technology since 1989.  

Oiled, not greased, with 100% synthetic SIN oil for super smooth and fast action. Uses lightweight diamond polished silicon nitride ceramic balls and HSR inner cage technology with proprietary tolerances. Sealed on both sides with our exclusive no contact seals. Feel the difference and race faster, longer with these lightweight, fast and extremely durable ceramic bearings 

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