The Razor Mx500 And Mx650 Dirt Rocket Mini Bike, Electric/Gas Pit Bikes, Product Details The AlveyTech 16x2.4 inner tube is made perfect to fit the front tire of the Razor MX500 Dirt Rocket and the MX650 Dirt Rocket. Our inner tube comes with an easy-to-fill straight valve stem. It is compatible with all models of the MX500 and MX650 Dirt Rocket regardless of version number. This tube features a straight valve stem for quick easy filling. Our 16x2.4 tube makes a perfect Dirt Rocket tube The great quality won't let you down. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.