Upgrade your Dualtron Ultra and Dualtron Ultra II electric scooters with our high-performance Inner Tube designed for 11-inch tyre sizes. Built for durability and reliability, this tube is compatible with the 90/65-6.5 tyre size, providing a smooth ride every time. Please note that one inner tube is included in this purchase, and if you need a compatible tyre, it can be purchased separately. Keep in mind that post-installation, any punctures will not be eligible for a free replacement. Enjoy a worry-free and enjoyable ride with the Inner Tube for tube tyres, perfectly tailored for your Dualtron scooters.