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Basics of Yoyo Series: Crash Course in Yoyo Bearings: Type, Maintenance, Quality, and More! - YouTube
Half SPEC Bearing thin size C yoyo bearing | Buy Now On YoYoTricks.com
Konkave Bearing Large - Size C - Duncan Toys
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Axles and Bearings | YOYO INFO BASE by Yo-Yo Store REWIND