Giant Numen Alumbra TL

20 Lumens
Part Number:





Designed to integrate seamlessly with compatible Giant and Liv helmets, the Numen Alumbra TL is the slimmest and most lightweight helmet-attachable tail light and features a unique quick lock design for easy on and off as well as a built-in low-power indicator.


  • Maximum output to 20 lumens
  • ANSI certified lumens and runtime
  • IPX4 water resistant
  • Power status indicator alerts remaining run-time before powering off
  • Light memory mode
  • Compatible with Rev Comp, Compel, Roost, Strive, Lanza, Coveta, Rev Liv Comp and Luta series helmets

  • Size: 54x13x27mm
  • Weight: 17g without mount
  • Colors: Black
  • Max Output: 20 lumens
  • HL Runtime: High 2.5hrs (20LM), Low 6hrs (10LM), High Flash 7hrs (20LM), Low Flash 24hrs (5LM)
  • Battery: Li-Ion polymer battery (250mAh)
  • Water resistant: IPX4

Colours Black
Sizes 20 Lumens
Brand Giant
Model Year 2023
Barcodes 4713250003696
SKUs / Part Numbers 400000191

Please note: Manufacturers can sometimes change the specification of the products from time to time.

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