Act as a product designer with 10 years of experience in IoT devices. Design a smart bike lock with integrated theft detection for urban cyclists. The lock should feature [bluetooth connectivity] to sync with a mobile app, [GPS tracking] to locate the bike if stolen, and [vibration sensors] to detect tampering attempts. The design should be sleek, durable, and seamlessly integrate with modern bike aesthetics. Include a [directional arrow] in the app interface to guide users to their bike’s location. Use materials like [stainless steel] for durability and [weather-resistant coatings] to ensure functionality in various climates. Showcase the lock in a [cityscape setting] with bikes parked outside cafes or parks, emphasizing its urban practicality and cutting-edge technology.