Discussion
I've just been surprised by my old fixie 28mm commute tires (Continental Gatorskins) having more drag resistance than my gravel 40mm ones that I use now (Schwalbe G-One RS). ~22 Watts vs. ~16 Watts. o.O
I'm working on replacing the Gatorskins with some new P-Zero with TPU inner tubes.
I want to see if I can beat some of my old speed records. :D
Also it looks like I'm a dum-dum, the P-Zeros don't come in pairs. You buy them one per. I don't know why I thought any differently.
I thought buying for 66EUR was an excellent bargain, but I guess I was a fool. A fool that now has to spend another 66EUR. 
Data seen on bicyclerollingresistance.com
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