Originally posted by Joe Gardner
*nod* I have drafted a moving truck for a bit over a mile at 48MPH, I had nothing after that, there is no way i could have used that as a lead out to go any faster, but its good to know you can spin that fast pushing big gears! 
Dang Joe, thats pretty impressive any way you cut it. I figure you must have been spinning 130-140 rpms with a 53/12.
It was about a 1.5 minute all out effort by the miles perhour I guess.