give the guy a break on the speed thing...and to be fair there is something to what he says...not so much about the bike itself...moreso about the gear ratios...

for example, the bike he bought, let's assume it has a 42t chainring and he is capable of maintaining a maximum of 120rpm on his pedals, then the max speed he can produce on the 3rd gear would be 30.7mph...but if he were to put on a 22t cog instead of the factory installed 18t then it would only be 25.1mph...so there is a real difference in what is physically possible given a specific gearing...even if he can do more rpms, then the logic still follows...just at higher speeds