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Why do my wheels have holes in them?
Last Updated: 03/23/2011
Top end wheels for jam skating, inline speed skating or track skating are made from a material called POLY BD. This specific material has exceptional grip while providing excellent rebound yet remains stiff enough to deliver a quality roll. The POLY BD also has a very high viscosity which means it pours very slowly when cast and as it cures, tiny air bubbles are caught inside the wheels. These tiny air bubbles show up as holes in the wheel when the running surface is trimmed, as well as, when the wheels wear down and more holes come to the surface.

Do not worry about the holes, these bubbles do not affect the performance of the wheels and in fact, they prove that the material is truly POLY BD which enhances the performance of the wheels on skating surfaces. Just enjoy it!
Tags: wheels, holes


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