I have the Hasbro Speeder bike and felt no need to spend the big bucks on SS's.
As is, it's fine. With some detail painting, like SithThundercracker's above, it looks fantastic.
If you leave it as it is, it will probably look cheap. If you customize it, however... here's mine: View attachment 481225
Looks great ST - that's the best "forest dio" I've seen.
And yeah, I agree - the Hasbro bike can be made to look very nice, though it is slightly oversized (most noticeably in width, which is not a huge problem) and needs to be scaled down a bit. These are pics of my heavily modded Hasbro bike: