Description: *Brand new and high quality *Made of high quality material, and practical to use *Suitable for many popular Fat bikes / E-Bikes /Snow Bikes Specification: *Material: Rubber *Color: Black *Size: 20x4.0/4.9 *Weight: 380g/1160g/1540g Package Includes: 1 x Inner tube or 1 x Outer tire or 1 x Inner tube+Outer tire Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Superior quality - This accessory parts, made of durable materials, are durable and not easy to wear or damage, ensuring long-term stable cleaning results and long-lasting service life. Easy to Install - The installation is simple, and the accessory is easy to install and replace. Fine Manufacturing - Precise processing and adjustment ensure that each parts are consistent, improving the machine. Well design - User friendly design allow you to quickly install them onto yours, ensuring a secure fit and saving valuable time during maintenance. Excellent After Sales Service - We focus on quality and after-sales service. If you are dissatisfied with our products, please let us know. We promise to give you 1165% satisfactory after-sales service. No risk. Don't hesitate. Just buy it.