This graphite lower brace is built for 1/10 scale formula cars and is specified for use with the YR-10F chassis. It reinforces the lower chassis to change flex behaviour and help refine handling on smooth, high-grip circuit surfaces common to formula-style RC racing.
Installation is straightforward for those familiar with YR-10F service: remove the stock lower brace, position the YR-04 where the original sat, and secure it using the existing mounting points and original hardware. No extra fabrication is required when fitting to a standard YR-10F chassis.
Tuning note: fitting a stiffer graphite lower brace alters roll and pitch response; the YR-04 is intended to add a predictable increase in lateral stiffness without modifying suspension geometry. Use it together with spring, damper, and anti-roll adjustments when chasing balance on grippy tracks.
Compatible chassis: YR-10F only. Designed to match the standard mounting layout of the YR-10F 1/10 formula platform.
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