b&m Toplight Flat Bicycle Rear Light (Permanent)

Toplight Flat Bicycle Rear Light by Busch + Müller

TOPLIGHT Flat "permanent" and "senso"

Based on the world's flattest luggage carrier rear light "TOPLIGHT Flat plus" (dynamo-powered), a similarly flat battery-operated rear light with a German test mark has been developed. With a depth of barely 40mm, the two variants "TOPLIGHT Flat permanent" (with ON-OFF switch) and "TOPLIGHT Flat senso" (with 3-position switch and sensor technology for automatic activation in darkness and movement of the bicycle) forgo a protruding lamp dome, making them superior to conventional luggage carrier rear lights due to their flat surface.

This is technically made possible by a combination of a super-bright, small LED paired with sophisticated lighting technology. The legally required beam angle of 220° in Germany is achieved without a protruding lamp dome. Both rear lights shine for up to 50 hours with two Mignon (AA) batteries.
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Weight: approx. 75 grams (without batteries)

Details:
- long illumination duration of up to 50 hours (2 AA batteries)
- extremely flat housing (approx. 117 x 50 x 40mm)
- bolt spacing variable at 50 and 80mm (for luggage carrier mounting)

Safety:
- integrated red reflector (with CAD-optimised reflector)
- complies with StVZO, including "Z" test mark
- available with "senso" function (automatic on/off)

Busch + Müller is the leading brand for high-performance lighting on bicycles, MTBs, and e-bikes. All headlights and rear lights – powered by dynamo or battery – as well as most mirrors are StVZO approved.