Originally Posted by Haughnph
Before you go and spend that money let alone researching what it takes to reach those speed on man power alone. Go get a road bicycle and try to reach 30 mph please. Next stop trying to compare human power to a machine. I can't stand people like you goodness. Don't know stop learn then grow. A wise man only opens his mouth when he has something to say. A fool opens his mouth to hear his own voice.
Getting to 30 MPH on a road bike is not hard at all. It's fast but by no means difficult or exceeding any mechanical limits of the bicycle.
This is said under the 2 following presumptions:
1. This or something similar is what you mean by road bike: http://www.walmart.com/ip/Victory-Vi...-Bike/11064938
2. The rider is height / weight proportionate and in general good health.
To get to 30 MPH on a single speed cruiser might be a bit more of a challenge. Regardless of the bike you need a good long, straight road to do it.