A flat tire is one of the most common and frustrating issues cyclists face. Whether you're riding a road bike or mountain bike, knowing how to repair a puncture quickly and correctly can save your ride — and your day. In this comprehensive guide, we’ll walk you through every step of the process, from removing the wheel to patching or replacing the inner tube. We’ll also include technical details, useful tips, and answers to common questions to ensure you’re prepared for anything the road or trail throws your way.