The Yokomo D-156-21AA aluminium rod end adapter is a precision part aimed at improving the dynamic feel of YD-2 and YD-4 chassis. Crafted from light metal, it swaps in for the standard steel piece to reduce rotating weight and improve responsiveness.
This adapter is made specifically for A-arm conversions on the YD-2 and YD-4 lines and keeps the same overall dimensions for a direct replacement. It is compatible with resin arms and allows the normal tread width to be maintained for standard setup options.
Aluminium lowers the mass compared to steel, which translates into crisper steering and improved agility during quick direction changes. The D-156-21AA provides a useful mix of durability and reduced weight for precise driving.
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