[Impressively Sophisticated Frame]- The boys girls mountain bikes offer up-to-date geometry and great parts for less than a grand. With a high-strength fork, dropper post, and head angle, the Elecony is stable and capable,-this bike is ready to get rowdy. With a high-strength fork, dropper post, and head angle, the Elecony is stable and capable,-this bike is ready to get rowdy. [21 Speed Shimano Drivetrain]- Shimano handle allows teens to switch gears with smoothness. The positioning is accurate, and silky gear shifts without stalling. These are the mountain trail bikes for someone looking for a capable mountain bike for less than a grand, or a durable commuter. [Great Braking System]- These mountain bikes also has dual disc brakes ich offer great power and a smooth feel, and a suspension fork to absorb bumps. It's a capable off-road bike with stability first handling. [Great Tire Performance]- If you prefer traction and float, the Elecony MTB bikes are perfect for the most demanding of applications. Elecony MTB bikes for teenagers gets 24 inch wheels wrapped with 1.75 inch wide tires for more traction and better flotation and a more sure-footed and stable feel. [Less To Go Wrong]- Hardtails are lighter. Hardtails have less to go wrong or require servicing. Hardtails are easier to clean. Hardtails can be faster and more fun on smoother.