07 Rivendell Atlantis, 80's Mondonico, 91 Cinelli ATB, 83 Schwinn Peleton, 94 Scott Cheyenne, 97 Klein Stage Comp, 81 SR Touring Bike, 80's CCM, 84 Bridgestone 200
Top Tube affecting hill climbing?
I had a serotta fit session done, and it was determined that my ideal bike would be a 52cm with a 58 cm top tube. Recently I picked up a bike with an unusually long top tube. The LBS guys were commenting on it, but it fit my dimensions. One of the guys said he had a bike with a really long top tube and you could really feel it going up hills.
Now, is this because he had a normal body? What's the difference climbing with a longer top tube as opposed to a longer reach stem if you end up in the same place?
And finally, how good of a rider do you have to be before you notice the difference?
If it fits right, you're fine. There's zero efficiency difference. I find a longer reach feels better for steep seated climbs because I can tug on the bars easier. My MTB is set up with a really long reach for this reason.