How To Change The Gears On Bicycle. Correct Shifting + SAVING POWER. SickBiker Tips. Posted on 01/12/2016 by Eric Thompson learn more [tubepress video=”ibyJevtOgxc” title=”false” length=”true” description=”true” descriptionLimit=”0″] Views: 1 See also Bike Rollers Will Help You To Lose Weight By Exercising