Fitment -- The rear wheel widening parts are suitable for Light Bee X / for Light Bee S / X260 / X160. Function -- Widen the rear wheel to provide greater grip and meet the riding needs of different people. Material -- Made of aluminum and steel which is sturdy and has a long service life. Adaptable -- Can be used normally under various road conditions and adapt to various environments. Color: Black Material: Aluminum + Steel Package Contents: 1 x Rear Wheel Widening Kit 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.