Originally Posted by rekmeyata

Start with the simple and free things first like the shoelace recommendation and work your way down to more and more complicated stuff, check after each adjustment to see if you cured it before going on the next step.

Make sure the pedals are tight;

try lubing the cleats on your shoes and where your cleats engage the pedals and the springs;

weird as this may seem but sound can travel weirdly so check you saddle for tightness;

make sure the chainring gear bolts (whats known as the stack bolts) that connect the ring gears to the spider are tight;

check your frame for cracks especially along the bottom bracket shell.

make sure the crank fixing bolts are tight and watch this video on how to do that: https://www.youtube.com/watch?v=GyC7t3cu11Q ;

check to make sure the bottom bracket is tight, see this video on how to that: Video: How to Loosen or Tighten a Bottom Bracket on Your Bicycle | eHow ;