Thank you all for your answers, I think I will try to install the chain as it is, endless.
>>>1st: What model and year of Bandit?
It is a 600 bandit 2004
2nd: Did you get sprockets and are they the OEM size sprockets? Do you know how many links the chain is made of?
Yes I have got the sprokets and the links are the size of my last chain, 112.
3rd: Are you certain it's a O-Ring endless chain or is it already riveted?
It is an X-ring, D.I.D. chain it is not riveted.
I am trying to install the chain taking the swingarm appart, are you sure I can do it whitout take some screws of the shock?, it looks pretty narrow. By the way what is a 2x3?
Thank you again for your answers they have been very helpfull.