What are the top 5 features to consider when purchasing a 22-inch bike for off-road adventures?

When purchasing a 22-inch bike for off-road adventures, consider the following top 5 features:

1. Frame material for durability and weight
2. Suspension system for smooth rides on rough terrain
3. Tire size and tread for traction and stability
4. Gear system for varying terrains and inclines
5. Braking system for reliable stopping power on downhill slopes.