Originally Posted by
wolfchild
The rider is what makes the bike a climbing bike, it's all about the rider.
^this is really it. No bike will make you a better climber. Only you can make yourself a better climber. It's hard work. Lose every ounce that you don't need on your body.
Now, for any particular rider, there will be certain bikes that climb faster. What are the factors? Weight and fit. Tires. Wheels. Gearing would be low on the list.