200x50 (8"x2.0") inflatable inner tube with bent air valve, made of isobutylene isoprene rubber, which is better in air tightness, elastic damping and aging resistance than natural rubber, replacement Razor part # W13112099045 Fits most popular electric scooters on the market - E100, E150, E175, E200 , Dune Buggy, Power Core E100, Crazy Cart, ePunk, eSpark, Launch, PowerRider 360, Mountain Scooter, Mountain Skateboard Compatibility for: Bladez eLite 250, Bladez eLite 300S, Bladez Ion 150, Bladez XTR Lite 250, eZip E-150, GT GT-200 (2005 & Older), GT GT-200 (2006 & Newer), GT GT-300, IZIP I-135 (130/8), IZIP I-200, IZIP I-300, Mongoose M150 (2005 & Older), Mongoose M150 (2006 & Newer), Mongoose M200 (2006 & Newer), Mongoose M300, Schwinn S150 (2005 & Older), Schwinn S150 (2006 & Newer), Schwinn S200, Schwinn S300 Package includes 2x inner tubes, 2x American flag caps in a 1PZ Brand Box If you have any question, please contacut customer support. 1PZ X02-20W Heavy Duty 8" inch 200x50 Scooter Inner Tubes for Razor E100, E150, E200, Power Core E100, Dune Buggy, ePunk, Crazy Cart, PowerRider 360, eSpark