Brand new replacement 12" 1/2 X 2 1/4" (12.5 X 2.25) scooter inner tube with angled valve fits many gas and electric scooters Material : Isobutylene Isoprene Rubber Size: 12" 1/2 X 2 1/4" (12.5 X 2.25) Valve Stem: Has angled Stem TR87 This inner tube is made of isobutylene isoprene rubber, which is better in air tightness, elastic damping and aging resistance than natural rubber. Known compatible models as following: Razor Pocket Mod Bella Betty Bistro Blossom Chrissy Daisy Hannah Montana Kiki Sweet Pea Vapor And many gas and electric scooters. Package Include:2 Pieces