Premium Quality- Made of superior ABS and electronic components. environmentally friendly and durable. bike spoke lights adopt unique willow leaf shape design. compact and lightweight. easy to carry. Safety Warning- High brightness. low power consumption and energy saving. both sides are bright. gorgeous lighting. novel style. absolutely eye-catching. spoke lights for bike wheels keep you safe in low light conditions. greatly ensure the safety of night cycling. 3 Modes- Slow flash. quick flash and steady ON. free to switch. can install multiple spoke lights on one wheel. Two-color combination could be more cool and amazing. suitable for mountain bike. folding bike. motorcycle. road bicycle. and so on. Waterproof- Excellent waterproof performance. no worry about riding in rainy days. whether rain or fog will not affect the normal life and brightness of the lamp. Easy Installation Bicycle Accessories- A must-have item for night cycling. it can be directly mounted to the spoke of wheel. no tools required.It is a good gift for children/cycling enthusiasts.