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~40psi, which was a bit bouncy, I guess comfy and didn't bottom out.
Well yeah, that's how tyre pressures work :)
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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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It was late May, 1974...
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Love waxing a dirty chain. Chain goes silent and then I get to scrape all the grit off the wax block when it sets.
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Well they said SP and SON but it seems SON have their pressure breather thingie in the axle space so perhaps that's the issue:
https://www.huntbikewheels.com/products/hunt-superdura-dynamo-disc-road-bike-pack-cx-wheelset-120kg-rider-weight-1939g-24deep-25wide#dynamo_infoEDIT: "Dynamo wheels (whilst being able to adapt to QR with a sleeve) cannot be adapted between 12 and 15mm (unlike a normal hub) due to the hub caps needing to be fixed and cabled for the dynamo to operate, and 12mm forks will not accept a 15mm cap as they have a small ridge above the axle interface"
This is saying you can't take 12mm to 15mm with end caps, which makes sense. But I'm suggesting taking SP 15mm to 12mm with a sleeve inside the hub body. This should make no difference to the fork interface.
Well, I had 700x42 on the back and haven't touched the mudguard and the 650Bx47 fits under it with lots of clearance. Depends on the bike's clearances as to whether fatter rubber will fit. If it's designed for it like the Kinesis I'm using it'll be fine.