Unique pattern: The concave-convex pattern design of the tire provides great grip when climbing and turning, and greatly improves com suitable fort and stability, making your riding Material: Increase tire wear resistance and extend tire life EASY INSTALLTION: Easy to mount on the rim It is suitable for long lasting use.The tires are safe and can be folded without damage suitable for easy storage. HEAVY-DUTY PER suitable forMANCE - The fat bike tires are engineered to handle increased payloads and torque, providing the stability and durability needed suitable for powerful e-bikes. Colour:Black Material:rubber Type: 20x4.0inch Inner tube Package Contents: 1x Electric bike tires Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.