amey-
I don't share my files. But I do ride my bike. Fuck me they're slow.
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So, I now have one data point.
Comparing last couple of commutes on this bike that are conveniently about the same duration, with today, for the same speed I put in an extra 50W / 140kcal today to push those 47mm bastards along.
So, you're right, they're not slow... if you put in 25-50% more work.
(yeah, yeah, weight is gonna be a little different and air density, wind, etc but they're still feel a chore compared to the other tyres)
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So, adding another 10psi to take it up to 50psi exposed a leaking valve #fuckingtubeless and the fact that they'd not held the original 40psi on the first ride - they were probably down to 20 or so. No wonder they felt slow as shit.
Wiggled the valve so the sealant filled some gaps and reinflated and it seems to be holding more air this morning. Much nicer ride in. I still need to have a look at power data to see how much extra effort it took.
Anyway, 40-50 psi is much better than ReallyFuckingLowBecauseTubelessValveBollocks psi
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hippy
Fuck me those 650Bx47mm WTBs are slow! It's like riding through mud.