How To Shift Your Gears Correctly What are gear ratios? Why is your gear shift not smooth? What is a bicycle cassette? These are all normal questions for a beginner cyclist, and getting your head around bicycle mechanics and gears can be confusing. Conor and Manon talk you through how to use and shift gears effectively. #gcn #cycling #roadcycling #roadbike #bike #bikes #bikelife #gear #gearshifting #di2 #shifting #bikegear #beginner | Global Cycling Network