Thanks to the link set for the Aura 100/Blaze bicycle lights from Sigma, which has just come onto the market, there is no longer any need to look sideways into the mirror of a dark shop window.

It was a common way to make sure that the rear light on the bike was on while driving past without straining your neck.

The red bicycle tail light has always been a technical problem child.

In the days when the side-running dynamo still whirred on the tire sidewall, a) the bulb could burn out at the back, or b) the wire broke at some inaccessible point, if not c) contacts rusted after the first downpour or verdigris started to form .

In times of LED battery lighting, the grief has just taken on a slightly different form: you drive without a lit rear light because the small battery has said goodbye without saying a word.

Switching on the rear light is different from the headlights in front, which you always have in view and are activated with a push of a button on the handlebars: If it is correctly uncovered and not barely visible under the saddle, you have to stop, get off and look for it try behind.

That too has now come to an end.

Light output and comfort are okay

On the link set, Sigma has not only increased the illuminance of the headlight compared to the Aura 80 to 100 lux - dimmable in four switching stages up to 25 lux.

The front light and the rear brake light can also be linked wirelessly via Bluetooth.

You have a power button on the front, but there are now two status indicators for the front and the back.

Bars arranged around the button provide information about the luminosity of the headlight, which is supposed to work for up to twelve hours with one battery charge.

The Blaze at the rear, which as a rear light glows brightly with a red LED and when decelerating causes two additional LEDs to flash vertically below for about three seconds, also has a power button.

But you only need it to turn on the light once.

As soon as the front and rear lights have made themselves known to each other via Bluetooth, all you have to do is press the button at the front.

An automatic mode switches the entire lighting on and off controlled by a brightness sensor.

The set costs around 100 euros.

Light output and comfort are okay.

However, one wished for much more with the brackets.

They consist of simple perforated rubber sleeves.

The headlight can only be attached to a (handlebar) cross tube and not, for example, to the stem.

While the headlight bracket can remain on the wheel after it has been removed, the rear light must always be removed together with the rubber strap.

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