jonthefish
Senior Retro Guru
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By 1993 Konas were measured from centre of bottom bracket to top of seat tube, which would make that an 18". 
I think I am right in saying that earlier ones were measured from the top of bottom bracket shell to top of seat tube.
				
			I think I am right in saying that earlier ones were measured from the top of bottom bracket shell to top of seat tube.
 
 
		 
 
		
 
 
		 
			 
 
		
 
 

 
			 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		