Cyclists new to Seattle face difficulties finding appropriate bike rides for sightseeing. Currently, most people spend much time searching the information of bike rides online, but the information might be incomplete or even incorrect. Another option for them is to buy guidebooks, but these books can be expensive, outdated and heavy to carry. Under this circumstance, we came up with “Let’s Ride!” app that offers comprehensive and professional information of bike rides in Seattle, including the attractive pictures, maps, the difficulties, time, length, terrain and road condition of each ride, as well as some safety tips. Users can get access to these contents conveniently through their iPhones and easily make their decision to choose one bike ride and enjoy. Great experience and adventure are awaiting cyclists.