Pedaling Techniques

http://www.bicycling.com/training-nutrition/training-fitness/perfect-pedal-stroke

https://www.youtube.com/watch?v=FjdSJ-YrCcM

http://www.stevehoggbikefitting.com/bikefit/2011/05/pedalling-technique-what-is-best/


VO2 and Heart rate info:

http://www.active.com/running/articles/how-to-maximize-your-vo2max-training

http://www.cyclingpowerlab.com/intervaltraining.aspx