Originally Posted by CrankyOne

I've spent a bit of time on those Edinburgh cobbles. They can be nasty. Mine was all on a Dutch city bike (Workcycles Omafiets or Opafiets depending on the day) and was quite tolerable. The things that I think made a difference are (in order): proper and forgiving geometry, big tyres, comfortable seat, slightly low air pressure. Finding the right line on each street also helps a lot. There was one stretch going towards Waverley from Grass Market where I would take the pavement.

Pic of your bike? What size tyres? what seat currently on it?