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Also test runs with flat and clipless pedals. I'd also like to see runs with tight fitting clothing and looser clothing to see if that actually affects times. If you end up doing varying body types could you be sure they have significantly different shoe sizes? I'd be curious if the extra weight of having big feet slows down your pedaling. I also noticed that in the video sometimes Steve was wearing a half-shell helmet in practice. Could you do timed race runs with full faces vs. half shell helmets to see if a full face gives you more confidence...

the challenge is if you are sent bikes in one size, the test riders need to be similar size

...and no one has said it yet, but the best "Value" here is the Specialized bike. Who woulda thunk it?

Having owned an Enduro Pro and Evil Insurgent, I like my Hightower better. Climbs better just as fast on the downs. I think it really says something, when the specs vary but the times are close. Geo is the main determining factor.