What are the top features to consider when purchasing a high-quality FSR mountain bike?

When purchasing a high-quality FSR mountain bike, consider the following top features:

1. Suspension system: Look for a full-suspension design like FSR (Full Suspension Rear) for better control and comfort on rough terrain.
2. Frame material: Opt for a lightweight and durable material like carbon fiber or aluminum for improved performance.
3. Wheel size: Choose between 27.5-inch and 29-inch wheels based on your riding style and terrain preferences.
4. Brakes: Select high-quality disc brakes for reliable stopping power in all conditions.
5. Drivetrain: Consider a smooth-shifting and durable drivetrain with a wide range of gears for versatile riding.