Twist off your original valve cap and replace with this valve cap led light.
How to fit bike tyre led light with motion sensor.
Simply screw it onto the tyre valve.
The led lights have super bright energy saving and long lifespan led can increases nig.
Led bike tyre light with motion sensor how to install led bike tyre light duration.
Waterproof the valve has a light mouth small waterproof case.
Tyre led light with motion sensor duration.
Bike or car tyre led light with motion sensor light set of 2 they automatically light up to create a disk like light over your tyre rims when your tyre spins just put the batteries and shake it to see the lighting effects safety.