YoYoFactory CBC Size XS (Size K / Mighty Flea) Bearing
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This is the Size XS (aka Size K) bearing used in YoYoFactory yoyos such as the Mighty Flea and Loop 360 yoyos (and others). It may also be used by other yoyos.
The size of the bearing is as follows:
- Outer Diameter - 8mm
- Inner Diameter - 4mm
- Width - 3mm
Before buying this bearing make sure it will fit your yoyo, as it is not commonly used. Most yoyos these days use the standard Size C bearing.