Nucleus T6 LED

Opticfire® LED UK

The Opticfire Nucleus is a miniature high performance LED bike light. It utilizes a single CREE XM-L T6 LED chip, together with a highly polished deep dish reflector, giving light output of up to 500 lumens.

Weighing in at just 80g its perfect as a helmet mounted light but is equally at home as a handlebar mounted setup or even as a standard head torch using the included mounts.

Powered by a Li-Ion 2 cell 8.4v 4400 mah waterproof battery pack giving an impressive 3 hour burn time on full beam 6 hours on low beam and more than 24 hrs on strobe.


  • CREE XM-L T6 LED chip
  • 500 Lumens max
  • Anodised aluminum construction
  • Heat sink cooling vents
  • Waterproof IP 65
  • Waterproof screw battery connectors
  • Toughened glass lens
  • Three mode settings High/med/low/strobe 
  • Illuminated glow-in-the-dark tail switch
  • Burn time 3hrs - 24hrs
  • 4400 mah rechargeable silicone battery pack
  • Handlebar - Helmet - Head mount
  • Weight 80g
  • Dimensions - 45mm (H) 30mm (W) 46mm (D)


1 x Opticfire Nucleus lamp

1 or 2 x Battery pack (choose from menu)

1 x Nylon battery bag with strap

1 x UK plug charger

1 x Cycle helmet mount

1 x adjustable head strap

2 x 'O' ring mounts

1 x Silicone LED rear light


If purchased directly from our website or an authorised dealer, your Opticfire product is guaranteed against defects in material and workmanship. If your item is found to be defective under normal use within 12 months of the proof of purchase date it will be repaired or replaced free of charge. This warranty does not cover accidental damage, unreasonable use, product alteration or improper maintenance or repair by anyone other than Opticfire UK. Failure to follow the general maintenance directions could result in damage to your lamp/ torch that may not be covered by this warranty.

If your product should prove defective, it will be repaired or replaced under these terms. Please contact us before sending anything back.

Related Items