Since September last year, monthly use of YouBikes has climbed nearly sixfold, to more than 790,000 trips in May.
Liu knows he can personally draw people to cycling. For his 80th birthday next year, he plans to ride around Taiwan again, repeating his 2007 route.
“I want to show I’m even stronger than when I started,” he said. “If my stamina is better than when I was 73, that should be a big news story.”