Key Differences:

1. Efficiency: Hub motors shine in this area. With their 1:1 spin ratio, they ensure the skateboard operates smoothly. They also emulate the feel of traditional skateboards due to less torque and friction, resulting in extended battery life.

2. Sound: Belt motors tend to be noisier as both the motor and belts are external. This added noise can act as an alert to pedestrians, and some even find it appealing.

3. Maintenance: Belt-driven boards need more upkeep. The exposed parts make them vulnerable to environmental elements, requiring regular attention to belt tension and cleaning to avoid damage.

4. Braking: Belt motors provide instant braking, which can potentially throw off unprepared riders. Hub motors, on the other hand, offer a gentler brake mechanism. Plus, they can recycle energy back into the batteries during braking.

5. Wheel Considerations: Hub boards usually have smaller wheels due to internal motor parts. In contrast, belt-driven boards provide more flexibility in changing wheels.

6. Hill Climbing: Belt-driven skateboards outperform hub motor boards in uphill situations, thanks to their geared system.

7. Speed: Hub-driven boards, with their reduced torque, often achieve higher top speeds.