The inner tube is an inflatable ring inside some pneumatic tires, inflated by a valve, and installed in the chamber of the outer tire, and widely used on heavy road vehicles such as bicycles, motorcycles, mini bikes, and electric scooters.

Specifications
Color: Black
Material: Rubber
Inner Tube Width: 19.5 cm / 7.6 inch
Outer Tire Width: 21 cm / 8.5 inch
Packing List: 1Set x Outer Tire & Inner Tube

Advantages
The inner tube is made of thick and durable butyl rubber, which can withstand shocks and resist punctures, shock absorption, and durability. The reinforced valve allows the tire to withstand pressure changes, achieving the best balance of grip and rolling resistance.

Instructions
The tire inner tube has wide compatibility with 8.5-inch outer diameter smart self-balancing electric scooters and can be installed and removed with a light pole and pump.

Note: Please check the tube size of your electric scooter before buying.