First concept bike without sketch at the beginning

[Rickxu]

Hi all. Don't laugh at me.
It's my first homework for the maya modeling course, I know it is not good at all. I posted it here for some concept idea to improve.
Thanks

Rick
:beer: http://www.renderosity.com/photos/GalleryImage240643.jpg

[GriNGo]

I think you should make the link work :p just attach the image. :p