SIGMA Aura 170 HB Link Front Light + Hiro 50 Link Rear Light

Performance and Compromises

A powerful and smart StVZO-compliant lighting set with a beam range of up to 180 m, a visibility range of 500 m, intelligent LINK connectivity, and brake and emergency brake light functions. AUTO mode, USB-C, and convenient control via the front light ensure maximum visibility and ease of use.

Features of the SIGMA Aura 170 HB Link Headlight:

Luminous Intensity
Up to 170 lux, 700 lumens, and a 180-meter beam range ensure powerful illumination and a uniform light pattern.

DUAL MOUNTING Option (DMO)
Thanks to the DUAL MOUNTING OPTION, you can switch between handlebar mounting and mounting under the bicycle computer in just a few simple steps. For maximum flexibility and a tidy cockpit.

Smart Link Function
One system. More possibilities. LINK connectivity combines the front and rear lights into a smart lighting system. Simultaneous on/off control, AUTO mode, and the display of both rechargeable battery and charge levels ensure greater convenience on every ride.

Connect your AURA 170 HB LINK to your RECO LINK radar. Simultaneous on/off switching and the display of front and rear light battery levels ensure greater comfort and safety on every ride.

HIGH BEAM at the Touch of a Button
The wireless REMOTE HB controls your AURA 170 HB LINK directly from the handlebars. Switch between light modes or activate HIGH BEAM—anytime with the push of a button. Tool-free installation allows for flexible positioning at your preferred handlebar location.

SIGMA RIDE App Connection
Pair the SIGMA RIDE app with the AURA 170 HB LINK in seconds—simply via Bluetooth. Once connected, you can check the battery level, set lighting modes, assign device names, and install firmware updates.

Automatic Light Adjustment
The built-in brightness sensor automatically adjusts the light intensity between 50 and 150 lux. This ensures you always have the right amount of light while also extending battery life. Smart energy management.

Ease of Use
Four lighting modes plus HIGH BEAM provide the right light output for every riding situation. Thanks to intuitive controls, you can quickly switch between AUTO, HIGH, MID, and ECO. The double-click to turn on the light serves as a safety feature, reliably preventing accidental activation.

High Lateral Visibility
The integrated LIGHT GUIDE improves your side visibility in traffic, thereby increasing your safety in the dark.

Features of the HIRO 50 LINK Rear Light

LED bike taillight with brake light function
The built-in accelerometer automatically detects braking and activates the smart brake light function in a fraction of a second. | Built-in emergency brake light

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 connection, the bike taillight can be charged quickly and easily. | Up to 11 hours of battery life

• Compact design
• Tool-free installation
• IP44 splash protection