Applicable diameter: 7.5-14in/ 19-36mm.
Size: diameter 3.7in/ 9.5cm, width 0.7in/ 1.7cm.
Installation part: bike wheel hub.
Waterproof, can work in rainy day.
Easy to install and remove.
Not only for decoration, but also for warning.
1.Due to the difference between different monitors, the pictures may not reflect the actual color of the item.
2.Due to manual measurement, there may be small deviations.
1 x bike hub LED light