Make bicycle tires have more friction It also allows for a smooth and safe ride without any bumps. Long life service: The tire is made of high quality rubber pad, strong and non-deformed Suitable for electric bicycles and can be ridden for a long time. Specially designed for electric bicycles, more wear-resistant and durable Strong Grip Surface: The surface pattern is deep and has strong grip, ensuring you a safe and stable ride. Colour:Black Material:rubber Package Contents: 1 x Pneumatic 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin