They do and it works similar to a standard bike. Depending on the model, Charge bikes use 7 or 8-speed gearing. The shift lever on the right side of the handlebar is used to shift the gears. There is an indicator to tell you what gear the bike is in – lower numbers are easier to pedal, while higher numbers enable you to go faster. And just like a standard bike, you must be pedaling to shift the gears.