The Secrets out! The Vitro Hybrid Ceramic Gearbox Bearing Kit was developed to provide the least resistance possible and lowest starting torque of any bearing. This can be a great advantage for the racer looking for the highest level of performance.
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Cooler operating temps.
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Reduced rotating mass
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Increase drive train roll
Kit Fit B74, B74.1
Kit Features 10 Hybrid Ceramic Series Bearings
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4-5x10x4
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6-10x15x4
*Picture is for reference only