BLACK BEARING B3 63701-2Z 12x18x5 mm
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Description
The BLACK BEARING B3 12x18x5 mm frame/wheel bearing is an intermediate-quality replacement model, equivalent to the original models fitted most of the time on your bike.
This bearing features chrome-plated steel balls, a chrome-plated steel cage and water- and dust-resistant 2RS seals.
Ref: 15721484026236