The Kyosho MZW420C Front Upper Brace Set increases chassis stiffness on the Mini-Z MR-03W, reducing unwanted flex in the front upper arm. That added rigidity helps sharpen steering input and improves stability through corners.
When you need more predictable behaviour on asphalt or carpet, the Kyosho MZW420C brace reinforces the upper arm area to preserve alignment during faster runs. The result is a smoother, more consistent driving line for club racing and practice laps.
Made to suit the MR-03W wide tread layout, this brace installs with basic RC tools and requires no major chassis changes. It is a practical upgrade for those wanting better front-end control without complex modification.
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