The Tamiya 51759 TRF421X aluminium lower deck is supplied as a single machined component intended as a direct replacement for the TRF421X chassis platform. It may replace a worn lower deck on TRF421X (Item 42391) or be used when upgrading a TRF421 (Item 42384) chassis to the aluminium configuration.
When fitting this deck to a TRF421, pair it with the compatible motor mount as noted in the product information; the motor mount is required for the conversion and is not included with the lower deck itself.
The 51759 lower deck is ideal as a direct swap for TRF421X or as the aluminium upgrade route for TRF421 when combined with the specified motor mount.
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