28mm are a good size, run at the right pressure will give a comfy and be quick rolling.  it's a bit of experiment to get pressure spot on.  One method is start with your usual pressure, ride and keep lowering a little till they feel a bit squishy whilst cornering.  then up a few psi above that for best ride and speed.
	
		
			
		
		
	
			
			 
				

 
 
		 
 
		 ) you get more free beer.
) you get more free beer.
		 
 
		 
 
		 
 
		
 
 
		 
 
		
 
 
		