Here is a bike light that gives your ride balls. Bike Balls attaches to your bicycle seat rail and keeps you visible. The ball sack sways and emits a bright red glow as you ride your bicycle .You can change light modes with a gentle squeeze. These balls are water/splash resistant.
More gadgets like this: here
Bike Balls keeps you visible and might put a smile on people’s faces as they watch you ride away. Firebox has these for under $30.
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