Willier: I got mine of a Danish webside similar to ebay. Unfortunately, I do not know where you can buy them.
I need a electronic scale bad, unfortunately i don't know the weight of the wheels, but there not that light.
I think the gap is because the shim is too big for the stem, i need to cut some off.
I see what you mean, but i really like the 3T stem.
but i can't take the credit for the tape job, one of my friends did it for me, I can't remember how he did, the only thing i remember is that he diden't cut it. (I will film it next time)
and many thanks to you all