The familiar sound of a motorcycle turns many heads. Young, curious minds ask the question: What makes a motorcycle go, and how does it stay up when it only has two wheels? This fun and factual volume focuses on the mechanics of motorcycles through at-level and accessible text, colorful photographs of motorcycles and motorcycle parts, and graphics that visually support key concepts. An energetic, eye-catching design and Did You Know? fact boxes provide more support and interest for the future STEM expert.