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Loose ball bearings to fit many brands of hubs, headsets, and bottom brackets. Grade 300 — Ultegra level quality.
|500 / 5/32-inch||836572001158||BALL-2B||870|
|500 / 3/16-inch||836572000977||BALL-3B||864|
|250 / 1/4-inch||836572000960||BALL-5B||852|