The Yerka bike is a revolutionary approach to urban cycling, touted as the "unstealable" bike. Its unique design concept centres around integrating the lock within the bike's frame itself. Instead of carrying a separate lock, cyclists can split the Yerka bike's frame to wrap it around a fixed object, such as a lamppost or a bike rack. By doing so, potential thieves would need to damage the bike's main structure to steal it, rendering it useless. This ingenious design offers urban cyclists enhanced security and convenience, reducing the chances of theft while promoting a seamless cycling experience.