its easily me so far...
how long do you have to hold the speed?...a km? a mile? 10miles?
if its just a short burst well over 40mph
i think i have an unfair advantage with my bike though
modified elation/cyclone/lipo 33.3v 700w plus bottom bracket drive
installed on a full carbon road race frame with durace /ultegra/xtr components
flat bars with clip on time trail areo bars
weight 28 pounds/14.7kg!with short range battery pack add about 1kg for long range pack
30 speed
53t 11t top gear
140psi tyre pressure
hed carbon disk rear wheel
hed trispoke carbon front wheel
titanium bb
carbon seat, seat post,bars etc