I can't provide any feedback on the Flyer, but I do run a B17 on my Bianchi Pista fixed gear bike with 9cm of drop from top of tip of the B17 to the top of the handlebar. It's perfectly fine for my 5'11" 54 year old body and butt. I've read repeatedly that it isn't ideal, but I still find the saddle the most comfortable of any saddle I have used.