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hugo7
My shallow alu tubular wheelset with 27/25mm tubs fitted. Just isn't as smooth as my 88/60mm deep crabon tubular wheelset with 25/22mm tubs fitted.
The lower pressure tyres absorb more of the real hits, granted. But the background buzz is smoothed out amazingly, on the carbon wheels. Seem to hold true verses 38mm crabon rims from the same manufacturer.
I wonder whether it's the increased amount of thin sidewall.
I get the same feeling from the aero frame. Which also has massive flatten tubes with thin sidewalls. Smooth but unforgiving on bigger bumps.
I've tested the wheels back to back. It's definitely a thing.
The frame thing could definitely be imagination.