This component is a right-side wheel differential hub intended for the Yokomo YR-R12C3 series. The design accepts the differential adjustment cone and employs a thrust-style bearing where the cone seats, cutting axial loads on the bearing during cornering and when changing differential preload. That approach helps the differential run more smoothly without implying a warranty on life span.
Experienced hobbyists will find the hub installs with standard RC maintenance tools. It replaces the stock right-side wheel differential hub; check cone preload as part of assembly and ensure all bearings and mating faces are clean and lightly greased with an RC-safe lubricant before final torqueing.
In tuning terms, isolating axial forces with the thrust-bearing seat contributes to steadier differential response, aiding setup tweaks for traction and turn-in characteristics on varying track conditions.
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