In a workshop in Aalsmeer, a 27-year-old Dutch craftsman has spent more than 400 hours asking a quiet but radical question: what happens when the logic of industrial precision is applied to the oldest of human materials? Daan Keijzer's wooden Canyon Aeroad — chain links, pawls, Presta valve and all — is less a novelty than a meditation on mastery, a reminder that the boundary between art and engineering has always been more porous than we assume.