The Kyosho EFW005 carbon suspension arm swaps in for the original FRP pieces to reduce mass and increase front-end rigidity on the FANTOM EP-4WD. That change helps the chassis settle faster and improves directional control.
Because carbon is stiffer than FRP, the arm sharpens the car's initial steering reaction so inputs translate into quicker wheel movement. This benefits drivers who want predictable turn-in on tight courses.
Carbon fiber gives a strong but lightweight arm that stands up to regular use without adding unnecessary weight. The result is a dependable upgrade that preserves or improves handling longevity.
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