Originally Posted by
cplus
The second piece isn't shown in that image.
You can see the machining/screw hole where it will attach at the front. This will attach to the top deck.
[...]
Oh, I see.
But why does this matter? It's just their way of achieving the same result. Not one iota of difference in function. The functional difference will come from the way the larger footprint Tamiya item will impact chassis flex.