The lithium-ion battery packs in the self-balancing scooters/hoverboards can overheat, posing a risk of the products smoking, catching fire and/or exploding.
An open quick release lever on the bicycle's front wheel hub can come into contact with the front disc brake rotor causing the front wheel to come to a sudden stop or separate from the bicycle, posing a risk of injury to the rider.
The boiler's flue collector can crack if exposed to a high impact event in the burner chamber, which can allow the boiler to emit carbon monoxide, posing a risk of carbon monoxide poisoning.
The latch pin can disengage from the latch allowing the door to open while the vehicle is moving. This can pose a risk of ejection of an unrestrained rider and impact or laceration hazards.
