Description: Designed for 26" × 4.0" fat tire e-bikes, this replacement inner tube helps maintain a smooth, stable, and reliable ride. Made for durability and dependable performance, it's an essential spare to keep your e-bike ready for every adventure. Features: Designed for 26"X4.0" fat bikes. *Images are for reference only. Please refer to the actual product. *Please note that images are for reference only. Returns or exchanges are only accepted for quality-related issues.