3.00-4 (10″x3″, 260×85) is a very common recreational scooter tire size Optional inner tube with a 90-degree angled valve stem For gas or electric scooter models & many industrial applications 3.00-4 scooter tires are also commonly referred to as 10″x3″ or 260×85 tires All three names refer to the same great little scooter tire 3.00-4 scooter tires are also commonly referred to as 10″x3″ or 260×85 tires. All three names refer to the same great little scooter tire. No matter what you call it, this scooter tire with Q107 tread is widely used on a variety of electric and gas scooters as well as utility equipment such as dolleys and warehouse carts. Because pneumatic tires usually require an inner tube, we offer this tire with the option of a matching inner tube. You can select the tire alone, or your tire combined with an inner tube that uses a 90-degree angled valve stem. Check to see if your scooter takes a 3.00-4 scooter tire (or 10″ x 3″ scooter tire or 260 x 85 scoo