Features: 1.65X36 gradient flashing wheel is suitable for double-row roller skates/skateboards/floor. 2.1 There are four color-changing on a wheel, and a single LED has seven color-changing modes, which can form a of lights when sliding, and the lights are random and not fixed. 3. Upgrade the high-performance core to make the wheels shine brighter, slide more smoothly and be more durable as a whole. 4.65MM size street brushing has a good endurance effect, and the hardness of 82A is faster and smoother. The bearing is made of high-quality bearing steel, which is more durable, with low noise and high speed, and is and not stuck when sliding at high speed. 5. The high-elastic PU has a contact surface with the ground, which has a good shock absorption effect, is suitable for sliding on roads, and has a strong ability to obstacles. Name: 65x36 color-changing wheel for double-row skates Material: PU+PP Color: white Weight: about 600g Size: as shown in the figure Package Contents: 4 x flashing wheel(including bearing) 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.