matters

1.proper psi
2.proper nutrition
3.sleep
4.mind set
5.plan of action
6.quality
7.position
8.properly maintained equipment
9. preparation
10.warm up
11.experience
12.attitude
13 recovery
14.paying attention
15. positive influence

that do not

1 10 or 11 speed
2. mechanical or electronic
3. 50mm or 30mm
4.scrimping over pounds
5.carbon or alloy
6.Ultegra or Dura Ace
7.not over analyzing
8.quantity
9.talk
10.moderation
11.what others do
12.age
13.excuses
14.weather
15.this site