The Tamiya 54446 Carbon Reinforced K & KK Parts upgrade the steering arms and battery hatch to cut chassis flex and improve turn-in on grippy surfaces. They are targeted at hobbyists seeking incremental performance gains without changing suspension geometry.
Carbon components increase stiffness over stock plastic, producing cleaner steering inputs and reduced deflection during heavy braking or sharp cornering. That translates to better control and improved driver confidence on sealed tracks.
These items are designed as direct replacements for XV-01 originals, so installation requires no special modifications. Use existing hardware unless you opt for stronger aftermarket fasteners.
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