Probably Jason Rourke, who actually builds them these days. And I tend to agree - 853 seems to be very special. Not sure whether the wide range of tubes offered by Reynolds is what makes it special or whether Reynolds offer it in a wide choice of tube guages because it's special, but having several choices of tube diameter and wall thickness at each position certainly makes it highly adaptable.
Probably Jason Rourke, who actually builds them these days. And I tend to agree - 853 seems to be very special. Not sure whether the wide range of tubes offered by Reynolds is what makes it special or whether Reynolds offer it in a wide choice of tube guages because it's special, but having several choices of tube diameter and wall thickness at each position certainly makes it highly adaptable.