Renting a road /racing bike in Rotterdam

After getting great help in the swimforum, I am now hoping I can get the same in the bike forum.

My appologies for the language, but as a norwegian, Dutch is simply to difficult.

I am going to Rotterdam next weekend for business, and I would like to se the countryside from a bikeseat on sunday morning. Do you know of any places where I can rent a decent road/racingbike from saturday to sunday?

BR
Armas