1、Applicable Models: Universal for electric scooter with appropriate size; Replacement for Razor E100 E125 E150 E175 Scooter (front wheel); Replacement for Razor E200 E200S E225 Scooters (front and rear wheel), etc. 2、Precise Size: The inner tube is 200X50 and the exact size matches to ensure a perfect fit with the wheels of the electric scooter, providing a stable and safe riding experience. 3、Comfortable Riding Experience: This inner tube provides good cushioning effect, can effectively absorb shock, reduce the impact, and provide a smoother and more comfortable riding experience. 4、Durable Construction: The inner tube is made of metal and rubber materials to ensure its strength and durability, and can withstand the operation and bumps of electric scooters on different surfaces. 5、Easy Installation: Simply remove the old inner tube, insert this replacement tube, and inflate it to the recommended pressure for a quick and easy installation process. Item Type: Inner Tube Material: Metal + Rubber Model: 200X50 Applicable Models: Universal for electric scooter with appropriate size Replacement for Razor E100 E125 E150 E175 Scooter (front wheel) Replacement for Razor E150 (V1-5) Scooters (front and rear wheel) Replacement for Razor E200 E200S E225 Scooters (front and rear wheel) Replacement for Razor Dune (front and rear wheel) Replacement for Razor ePunk bike (front and rear wheel) 2 x Tire Inner Tube