Last Updated: March 24, 2026 In February 2022, a London-based bike-taxi service called Pedal Me banned their cyclists from wearing helmets. “People that are taking risks that are sufficient that they feel they need to wear helmets are not welcome to work for us,” tweeted co-founder Ben Knowles. Knowles’ argument has long been debated in … Continue reading The “Peltzman Effect” In Cycling: Could Helmets Really Encourage Cyclists To Take More Risks?