Originally Posted by
Wilfred Laurier
I am suspicious of the '20cm too short' comment in the OP. Bike sizes usually go in 2 cm increments, so a 58 is only 1-1/2 sizes too big, and a person 20 cm (or 8 inches) taller would not use a 1-1/2 size larger frame - he would use 3 or 4 sizes larger at least.
Just like with bike tires, it's probably a matter of us Americans typing "cm" when we mean "mm".