Motorbike. Car, Caravan. This tyre requires an innertube. Tyre Ply: 4. Motorbike, Scooter Parts. A high quality pneumatic Tyre to fit Electric Scooters. Tyre Size: 10 x 350 - 4. This will fit any of the following tyre sizes 10x350-4 or 10x350-4 or 3.50-4 or 350-4.