EXPOSURE LIGHTS Sirius Mk5 (2017) Urban Cycle Light. 550 Lumens. USB Charging.

  • Sale
  • £89.95
  • Regular price £99.95

Standing out in the busy streets the Sirius directs its 550 lumens far and wide lighting the path on the road to stay safe and seen.
Excellent side visibility and choice of solid or pulsing modes with convenient USB charging and a quick release bracket make the Sirius the commuters light of choice. CNC Aluminium bodywork is packed with innovative patented technologies, managing power and optimising brightness.
  • SmartPort+ Technology
  • Cable Free Design
  • Side Illumination
  • Intelligent Thermal Management
  • Optimum Mode Selector
  • Fuel Gauge
  • USB Charging
  • Hand Made in the UK
  • 2 Year Warranty


  • RunTime: 2hrs (high) - 36hrs (low)
  • Lumens: 550
  • Battery: 2,900mAh
  • Chargetime: 4 hours
  • Dimensions: 106mm (L) x 28mm (D)
  • Weight: 81g


USB Rechargeable  Exposure Lights incorporate USB charging for easy charging on the fly.

Smart Port Plus  SPT+ enabled lights automatically recognise accessories allowing you to power additional front and rear lights, use the Remote Switch and charge USB devices on the move.  Patented

Cable Free Design  The primary design feature of Exposure Lights, Cable Free Design removes the hassle of cables and straps utilising the superb range of brackets for speedy, rock solid attachment.

Intelligent Thermal Management  Controlling the temperature of the LEDs is important in ensuring that the lights remain as efficient as possible. Patented technology in the circuitry of Exposure Lights stop the light from heating up to a point where the light loses power due to the elevated temperature.


In the box: Sirius Mk5, Handlebar mount, USB charge cable, Quick start guide