Portland Design Works Kepler Tail Light
Best minimalist safety upgrade for urban e bike commuters.
This hardwired rear light draws power directly from an e-bike battery, removing the hassle of charging. It offers a wide, 220-degree field of view to ensure you are seen from multiple angles, making it a reliable, set-it-and-forget-it safety upgrade.
$30.00
at
Ridepdw
Who it's for
- Commuters navigating busy city traffic at all hours
- E-bike owners seeking a permanent, low-maintenance lighting solution
- All-weather riders who commute regardless of the forecast
Who should skip it
- Casual users who prefer simple, tool-free mounting options
- Owners of high-power e-bikes with 36V or 48V lighting leads
- Cyclists without a dedicated rear cargo rack
Performance breakdown
Visibility Coverage
The 220-degree beam angle provides exceptional side-on safety for urban riders.
Integration Convenience
Direct battery power eliminates the hassle of charging separate light batteries.
Mounting Versatility
Flexible seatpost or seatstay options accommodate most frame geometries with ease.
System Compatibility
Pre-wired for Bosch systems, though other setups require minor electrical adaptation.
Brightness Output
Twenty-five lumens is sufficient for visibility, though not blindingly intense.
Installation Permanence
Hardwired design ensures the light is always ready for every ride.
Key Specs
Includes Bosch GEN 1-4 E-bike System plug
Power Source
6V-15V e-bike system
Light Type
3 red power LEDs
Mounting Location
Seatpost or seatstay
Visibility Angle
220 degrees
Max Brightness
25 Lumens
Cable Length
48 inches
Know before you buy
Still have a question?
Ask Metto anything about the Portland Design Works Kepler Tail Light before you decide.
