18 months ago, France’s Prime Minister set out the broad outline of the nation’s Bike Plan. One of the goals is to increase the proportion of bike use for commuting from 3% to 9% by 2024: compared to its European neighbours, there is plenty of remaining potential for more bike use in France. What are the societal and environmental aims of France’s Bike Plan? Will it really result in less solo car use? Which modes of transport will be adversely impacted by more bike use? What are the effects of incentive and restrictive policies? How can a sensible and effective connection between bikes and public transport be achieved?