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| Loose Ball Bearing 1/2" inch = 12.7mm Ceramic Balls (Si3N4) One Ball |
Loose Ceramic Balls 1/2" inch Si3N4, this is a popular size that could be used in many Bicycle, Balls are made of Ceramic Si3N4.
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Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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