QUBE 8-Ball Bearings
2021-5-9 · Qube 8 Ball Bearings are specifically designed for Roller Derby. Modeled of the classic Fafnir bearings from the 1970’s. The traditional design has 7 balls, the Qube 8 ball has an extra ball to more evenly distibute weight. For a true proformance this bearing will …
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