The 90 Degree Replacement Inner Tube is designed for use with 255x80 90/65-6.5 and 80/65-6.5 tires on scooters. This 2-pack of inner tubes offers reliable performance and durability for a smooth ride. Made for easy installation and long-lasting use. The high-quality rubber material used in this inner tube greatly improves your riding experience and product life. This inner tube is the for those who use electric scooters on a daily basis Colour:Black Material:Butyl rubber Size:24.3x24.3x4.7cm Package Contents: 2 x Inner tire of electric skateboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.