Ah, but you should be able to hit it while drafting with aero bars. My point here is that it's not the bike that makes you go 40mph - it's the "engine" (the hu

Ah, but you should be able to hit it while drafting with aero bars. My point here is that it's not the bike that makes you go 40mph - it's the "engine" (the human) and the environment. Expensive human-powered bikes aren't going to magically turn someone who tops out at 20mph into someone doing twice that.