General description A set of 2 spare butyl rubber inner tubes measuring 200 x 50mm (8" x 2") with angled valve stems, designed for use with Razor E100/E200, epunk, dune buggy, and other electric scooters equipped with 200 x 50mm tires. Technical specifications Size: 200mm x 50mm (8" x 2") Valve: TR87 Bend Material: Isoprene rubber Other information Packaged: Includes 2 inner tubes