its a really bad pic to try and do BW and color. one, because i didn't even notice everything else was BW for like a minutes and two, its kind of really boring.
i know it's hard to notice it's BW, that's why i like it, i like it to be suttle, as for the picture being boring, that's for each person to decide, personally, i do find it kinda boring myslef
you did a pretty good job as far as the black/white and color goes. But asac is right, the picture itself isn't that compelling. It's really not that balanced and it would've probably made it a better shot if you could've got the top of the bike in to frame as well as the guy's head.