Giant Numen Aero 3-LED Bike Tail Light (Black/Red)

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This is the Numen Aero 3-LED Taillight. 


  • Three LED, aerodynamic taillight
  • Designed for ISP/aero seatposts
  • 3 modes: steady / flashing / chasing
  • Easy o-ring mount
  • Water resistant rubber and plastic housing
  • Up to 90 hour burn time
  • Requires 2 CR2032 batteries

To mount this light to an aero or integrated seatpost use this mount

Safety Notice:
Bicycle lighting is illumination attached to bicycles whose purpose above all is, along with reflectors, to improve the visibility of the bicycle and its rider to other road users under circumstances of poor ambient illumination. A secondary purpose is to illuminate reflective materials such as cat's eyes and traffic signs. A third purpose may be to illuminate the roadway so that the rider can see the way ahead. Serving the latter purposes require much more luminous flux and thus more power.
Many jurisdictions require one or more bicycle lights to be fitted to bicycles ridden at night generally a white light in the front and a red light at the back.
The use of lights for night riding is generally recommended or required by authorities as a basic safety precaution, even in a well-lit urban context. Studies show a correlation between collisions and failure to use lights even during daytime.
It has been estimated that 75% of bicycles used in the United States at night do not meet the legal requirements for lighting. Many US States require only a front light even though the majority of bike/ auto accidents involve cyclists being hit from behind. In countries where bicycles are used widely for commuting and short trips, such as the Netherlands and Scandinavia, bicycle head- and tail lighting regulation is heavily enforced by the authorities.

This product was added to our catalog on July 22, 2014.