Quote Originally Posted by Eden View Post
If you don't have a frame with aero tubing, keep a water bottle in the seat tube cage (it can be empty) - also free
Can you explain this? I guess don't know what aero tubing is, so start there. I assume it means the most aerodynamic tubing, which might be kind of flat to cut through the wind? Yet putting a bottle in the seat tub would do the opposite, so ... confused.