This is an RC-scale ball bearing set intended for the Tamiya F104 chassis, offered under the 3Racing BS-F104/V1 designation. It serves as a direct replacement option for worn or lower-quality driveline bearings in scale 1/10 formula and touring conversions based on the F104 platform.
Functionally, the set's role is to reduce rolling resistance in rotating assemblies such as wheel hubs, motor output, and gearbox interfaces, improving throttle response and keeping drivetrain losses consistent across runs. Keep in mind the description focuses on fit for the F104 chassis only and does not imply compatibility with other full-size or non-RC applications.
Installation is typically a bearing-swap: remove degraded bearings, clean the seating surfaces, and press the new bearings in squarely to avoid misalignment. After installation, check for free spin and any play at the hub or motor shaft, and perform routine maintenance by keeping bearings clean and lightly lubricated with RC-appropriate lubricant to preserve performance.
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