I like these a lot, simple to fit…an inertia triggered brake light…bright too…

Key Features

ake tail light with emergency brake light function

Sensor technology: No connection to the brake necessary

Stoplight technology for braking and abrupt braking

Suitable for 6 - 50 V DC supply

Not approved for use with fast E-Bikes

Incorporates LineTec technology

Integrated Z reflector

50 mm fittingRack mounting

For use only with E-Bikes only