This year marks the 20th anniversary of the September 11 terrorist attacks. To honor the first responders who lost their lives that day, a group of firefighters is preparing for a bike ride that will take them from the San Francisco Bay Area to the Brooklyn Bridge and Ground Zero in New York. The 3,800-mile bike ride began as an idea shared between Darrell Sales, lead organizer for Bay to Brooklyn, and his son. A group of motorcyclists planned to ride to New York in 2011 for the 10th anniversary of 9/11. However, Sales’s son did not own a motorcycle. Sales told NTD News: “[My son] said, ‘Well, I’ll just ride my bicycle.’ And I said, ‘That’s kind of a crazy idea, but—’ So it spawned initial planning to see if this was actually possible. … It was going to be a father-son ride.” Sales said that his son was …