Jacobs, who claimed a shock win at Tokyo 2020, clocked 6.41 seconds to beat defending champion Coleman by 0.003 seconds.
"I knew it was a one in a lifetime chance and I wanted to make it work for the team and technical partners who had the idea,"
"I was going to the race favorites I know and showing off the dropper. They asked me what I was doing with a dropper and laughed but I warned them that if they follow me on descent, it's at their own risk."
"I destroyed cycling once with the super-tuck, now I've destroyed cycling again. Now I think everyone will start to use dropper posts. It'll be one more thing to think about on the bike. It'll be like Formula 1. There was just the gas and brake pedals, now they have hundreds of buttons."