hey all, i am going to be needing a new chain for my bike. I know i need to by the sprockets as well. Its going on a 2003 yz450f with the 4spd tranny. My question is what gearing should i go with?? What is stock?? I would like something trick looking in color( maybe blue or black rear sprocket and maybe a gold looking chain) but i dont have too much to spend.. WHere is the best place to buy these for the best price?? Thanks alot to all.