The Tamiya 42290 TRF419 Lower Deck 2mm is a precision carbon fibre plate made to add measured flex to the TRF419 chassis. Compared with a 2.25mm deck, the 2mm option delivers greater compliance that helps with grip on low-traction tracks.
This lower deck ships with a carbon fibre stiffener and an aluminium post to link upper and lower decks. Those components let competitors experiment with different deck stacking to tune balance and cornering behaviour.
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