Sigma Sport

SIGMA Aura 120 Link Front Light + Hiro 50 Link Rear Light

Description

SIGMA Aura 120 Link Front Light + Hiro 50 Link Rear Light

Features of the Aura 120 Link Headlight

Bright. Smart. Flexible - High Light Output and Performance

The StVZO-compliant AURA 120 LINK combines high light output with intelligent LINK connectivity. Up to 120 lux, AUTO mode, and long battery life ensure ideal illumination - from your daily commute to extended rides. 

  • Luminous Intensity
    Up to 120 lux, 220 lumens, and a 130-meter beam range provide wide-area illumination and reliable visibility in the dark.
  • LINK Connectivity
    Smart connectivity between the front and rear lights. Simultaneous on/off switching and the display of both battery levels provide added convenience.
  • SIGMA RIDE App Connection
    Pair the SIGMA RIDE app with the AURA 120 LINK in seconds - simply via Bluetooth. Once connected, you can check the battery level, set lighting modes, assign device names, and install firmware updates.
  • OUT FRONT Mount
    With the optional OUT FRONT MOUNT, you can position the AURA 120 LINK centrally in front of the handlebars - for a clutter-free cockpit and optimal light positioning. 
  • Memory Mode Feature
    When turned on, the AURA 120 LINK automatically activates the last selected lighting mode. For a quick start without having to reconfigure settings.
  • Automatic Light Adjustment
    The built-in brightness sensor automatically adjusts the light intensity between 40 and 120 lux. This allows the lighting to adapt to the surroundings while conserving the rechargeable battery.
  • USB-C Charging Function
    Up to 18 hours of runtime, fast charging via USB-C, and the powerbank charging function ensure long operating times.
  • Keep an Eye on the Battery Level at All Times
    The multi-level display shows you the lighting mode as well as the rechargeable battery and charge levels of the front light. When connected to LINK products, you can also view the rechargeable battery and charge levels of the paired taillight or radar taillight.
  • User-Friendly Operation
    Four lighting modes offer the right brightness for every situation. With the press of a button, you can quickly switch between AUTO, HIGH, MID, and ECO. The double-click to turn on the light serves as a power-on protection feature and prevents accidental activation.
  • Side Visibility
    The integrated LIGHT GUIDE improves your lateral visibility in traffic and makes you more visible overall.
  • Ready for Any Weather
    The flexible silicone mount with quick-release mechanism allows for fast, tool-free installation. The IP44 splash protection ensures that the AURA 120 LINK remains reliably operational even in the rain.

Features of the Hiro 50 Link Taillight

LED bike taillight with brake light function- Greater visibility. Greater safety. Day and night.

The SIGMA HIRO 50 is a modern LED bike taillight with a smart brake light function, integrated emergency brake light, and StVZO certification. Designed for commuters, road cyclists, gravel bike riders, and everyday use on the road, this compact taillight ensures maximum visibility and added safety with every braking maneuver. With a visibility range of up to 500 meters, a USB-C charging port, and up to 11 hours of battery life, the HIRO 50 combines modern lighting technology with a design suitable for everyday use. The HIRO 50 LINK version further enhances the taillight with smart connectivity features within the SIGMA LINK ecosystem. Sleek. Lightweight. Eye-catching. The compact and modern design blends seamlessly into contemporary bicycle setups while ensuring high visibility in traffic.

Brake Light Function
The built-in accelerometer automatically detects braking and activates the smart brake light function in a fraction of a second.

Visibility
Safety starts with visibility. This is ensured by rear visibility of up to 500 m, high side visibility for better detection, and the highly attention-grabbing brake light functions with an integrated emergency brake light.

LINK Function with Front Light
The HIRO 50 LINK version intelligently connects your taillight to compatible SIGMA LINK headlamps. Both lights can be turned on and off together, while the taillight’s battery level is displayed directly on the headlamp.

USB-C
Thanks to modern USB-C connectivity, the bike taillight can be charged quickly and easily.

SIGMA RIDE App Connectivity
Pair the SIGMA RIDE app with the HIRO 50 LINK in seconds - simply via Bluetooth. Once connected, you can check the battery level, assign device names, and install firmware updates.

Long Battery Life
The built-in rechargeable battery provides up to 11 hours of runtime, making it perfect for long rides, commutes, and training sessions. The 3-level rechargeable battery indicator reliably shows the current battery level at all times.

FLEXIBLE MOUNTING for any bicycle setup

  • The slim and lightweight housing blends discreetly into modern bicycle setups while ensuring high visibility in traffic.
  • Tool-free installation takes just a few seconds and fits nearly all standard seatposts.
  • An extended silicone strap is available as an option for aero seatposts.
  • With IP44 splash protection, the HIRO 50 remains reliably operational even in rain and changeable weather.
  • Whether commuting to work, training, or on a weekend ride - this taillight was designed for everyday use.

scope of delivery:

  • Aura 120 Link front light
  • Hiro 50 Link taillight
  • Silicone mount
  • Screw mount
Sigma Sport
Fact Sheet
Product Name: SIGMA Aura 120 Link Front Light + Hiro 50 Link Rear Light
Manufacturer: Sigma Sport
Item Code: SIG783453
StVZO legal (German Road Traffic Licensing Regulations): yes
activity: Cycling
IP rating: IP44
Battery Type: integrated Battery
maximum runtime: 18h
mounting location: Handlebar, Seat Post
max. luminous flux: 220lm
maximum throw: 130m
Bike light version: Front + Rear Light
Power supply: (Rechargeable) Battery
Bike light properties: Recharges via USB, Brake light, Rechargeable
Model year: 2026
Color: Black
weight: 159g
manufacturer item code: 17975
Weight Source: Manufacturer
GTINs: 4016224179756
Manufacturer page: http://www.sigmasport.de
Availability
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Manufacturer

Sigma Sport

All products from Sigma Sport
SIGMA-ELEKTRO GmbH
Dr.-Julius-Leber-Straße 15
67433 Neustadt
Germany
info@sigma.bike
https://sigma.bike/de/

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