The Tamiya 42350 Aluminum Lower Deck is a straight-forward upgrade for racers wanting firmer chassis behaviour on high-grip surfaces. Its 2mm aluminium build and diagonal cutouts control how the chassis bends under load.
Engineered for the TRF420 frame, this lower deck helps reduce unwanted twist on sticky tracks while the black anodised surface resists scuffs. Combine with the carbon fibre upper deck Item 42349 for a tuned top-to-bottom setup.
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