Self generating bicycle wheel lights.

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Bicycle Wheel Lights

Not only are these cool to use and need no batteries, but they also make riding your bike at night safer.

# No batteries Necessary: Generates power as you pedal
# Easy to install
# Makes for safer night riding
# Visible from both sides of wheel
# Light weight and Compact Design
# Kids will love riding their bikes
# Fits wheel diameters of 24" & up

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Does anyone have or use these wheel lights? I might buy some.