Using the Sirrus X 3.0 is a breeze. Just hop on and start pedaling! This bike is great for various terrains, whether you're cruising on smooth pavements or exploring dirt paths. When riding, make sure to adjust your seat to a comfortable height. For the drivetrain, shift gears according to the terrain you're on to maintain a good rhythm. As for the brakes, they're powerful, so a gentle squeeze will slow you down effectively. When it comes to maintenance, keep the chain clean and lubricated regularly. Check the tire pressure before each ride to ensure a smooth and safe journey. If you notice any issues with the brakes or drivetrain, take it to a professional bike mechanic for inspection and repair.