Great idea, supprised something smaller didnt come around sooner. I couldnt imagine pedaling up that high like that, and just looking totally gives me the chills.
Rather impressive, how did you find out about this? You would soon find out how big your balls are riding something like this. How high do you think they are, 50, 100, 150 feet up. Makes me a tad queezy! Don't fall out!