I agree that the "21" is definitely different. I posted "ugliest Triumph" to see what reaction it got. I'd never seen one before. As far as the racing bike behind, I don't remember what it was. I can't wait to my next trip when I can go back. I saw so many makes and models I'd never seen and so many bikes - it was almost too much for one day. The Nor-Vins were cool, a series of factory bikes combined from Norton and Vincent. If anyone is going to or through Birmingham, AL, STOP, and check out the Barber Motorsports Museum - you'll be glad you did.