Originally Posted by rustystrings61

That's actually THE gear the old British guys writing c.1930-1960 recommended for a gentleman's bike with one freewheeling gear, and it works out pretty well with the old theory that your crank length should be approximately 10 percent of your gear, i.e., a 6.75-in crank for use with a 67-in gear, a 6.5-in crank for a 65-in gear, etc. H.H. England, editor of Cycling was very direct about it, and I think Reginald Shaw of the old CTC also recommended it. F.J. Camm in his 1936 book indirectly pointed to that gear as well.