Originally Posted by
carleton
Lies. LIIIIIES.
Crank arms come in 2.5mm increments for a reason.
According to the ruler logic, I guess he wouldn't notice a centimeter or two on the top tube either, right?
Especially if the OP ever rides in different pairs of shoes. I know for a fact the three different pairs of shoes I rotate between when riding have more than 5mm difference in the thickness of the soles.
In an ideal world I would have a dedicated pair of riding specific shoes, probably clipless, but I like to live practically which for me means working with what I have and overlooking minor changes