Earlier in the decade I wrote an article on how bikes are sized, and the gist was that we ought to be looking at bikes from the point of view of head tubes and top tubes, and that’s it. — no more seat tube sizing.
by Jordan Rapp, February 19, 2003
It’s considered the aerodynamic benchmark for double-diamond (front and rear triangle) bikes.
Practitioners of motorized sports recognized the traction benefits of slick tires a long time ago.
I ride a 59cm bike or, if it’s a road race bike (as opposed to a tri bike) I’ll ride a 60cm bike. If it’s a Litespeed tri bike, I’ll ride 57cm, and so it goes. How are these bikes measured, and why do I ride different sizes depending on the manufacturer?
There have been real studies performed by real scientists on the subject of seat angles.
When you’ve got no feed in the stable you can’t ride your horse to town.