Done in Adobe Illustrator CS2.
I think its taken 6-7 hours to do, but I am unsure.
I am not 100% sure, on the colour of the mini, but I will put some different colours versions on my website at a later date.
Here is a line for the vector: [link]
Drawing my old Honda Z50R monkey bike next: [link]
Union Jack background: [link]
T-Shirts now available of this design: [link]