[BSA rules]

Is the trend for fitting larger volume tyres to carbon road bikes an admission that the frames are too stiff especially for lighter riders? All bikes have to be designed and manufactured for the safety of the heaviest riders, I don’t think a 65 kg rider on any carbon bike even a sportive model will feel any of the comfort advantages associated with this type of bike if it has been designed to be safe for a 120 kg rider, hence I’ll be adding my 28 mm tyres running 70 psi, a carbon seat post,and the best cycling shorts I can find, anyone agree?

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[hawkinspeter]

I’m not a light rider myself,

I’m not a light rider myself, but I don’t hold a lot of faith in frames being that flexible or absorbing road buzz beyond a minimal amount. Tyres are especially good at deforming and absorbing shocks and rough surfaces, so 28mm at around 70 psi is what I use – you may well want to drop your pressures if you’re only 65kg (I’m probably around 85kg at the moment).

[Author]

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