The BD-202S5 is a steering linkage bell crank with a 5mm bearing bore tailored for Yokomo BD7 and BD5 1/10 on-road chassis. It functions as the main pivot in the front steering setup and is aimed at drivers refining handling.
Compatibility targets BD7 and BD5 chassis where the steering post accommodates a 5mm bearing. Replacing the standard bell crank with this part gives a repeatable bearing mount and consistent pivot motion without altering stock steering geometry.
Fitting is direct for those familiar with RC maintenance: remove the factory bell crank, move over any spacers or clips, and secure the BD-202S5 to the steering post with the existing fasteners. Confirm smooth rotation and correct linkage angles before track use.
From a tuning standpoint, the bearing interface reduces pivot friction and stabilises steering inputs, making setup changes more predictable when adjusting toe or steering rate. Use it as part of incremental tuning steps.
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