4mm Loose Ball Bearing Ceramic Balls (SiC) One Ball
Loose Ceramic Balls 4mm SiC, this is a popular size that could be used in many Bicycle, or any application that uses this size 4mm.Ball is made of Ceramic SiC.
Super happy with these SiC bearings. Using them for an off label purpose and they work perfect vs. Other products people are selling for my application. Will be purchasing agin.
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Handyman from Arlington, VA
June 18, 2011
Many uses
Also works just fine as a replacement ball check valve in a soap and lotion dispenser.
