• bright: cool and bright to see in the dark, makes the bike more visible and safer.
• Three lighting modes:full brightness, fast flashing and flash brightness；press to turn on and off,
• Easy to install: put bike wheel light into spoke and slide towards to the rim until it fits tight, no need tools.
• Waterproof and Both sides are bright, greatly improving traffic safety.
• Suitable for Various Bikes, such as Mountain /sports /adult/ kids/ road/folding bike; motorcycle etc.

1 Piece LED Bicycle Rim Tire Wheel Spoke Flash Light