In Two Wheels Good, writer and critic Jody Rosen reshapes our understanding of this ubiquitous machine, an ever-present force in humanity’s life and dream life—and a flash point in culture wars—for more than two hundred years. Combining history, reportage, travelogue, and memoir, Rosen’s book sweeps across centuries and around the globe, unfolding the bicycle’s saga from its invention in 1817 to its present-day renaissance as a “green machine,” an emblem of sustainability in a world afflicted by pandemic and climate change. Readers meet unforgettable characters: feminist rebels who steered bikes to the barricades in the 1890s, a prospector who pedaled across the frozen Yukon to join the Klondike gold rush, a Bhutanese king who races mountain bikes in the Himalayas, a cycle-rickshaw driver who navigates the seething streets of the world’s fastest-growing megacity, and astronauts who ride a floating bicycle in zero gravity aboard the International Space Station.