Cateye Duplex Front or Rear Helmet Battery Bicycle Light

Cateye's Duplex is an all-in-one front and rear helmet light that weighs in at just 49g and has a maximum runtime of 100 hours. Able to turn through 360 degrees, it is powered by 2 x AAA batteries and is activated by simply pressing the rear light lens.


  • Lightweight at only 49g.
  • Long rubber attachment strap, turns 360 deg.
  • Activated by pressing rear light lens only.
  • 2 X AAA batteries - much longer runtimes.
  • Much more economical in the long term.
  • Front flash / rear flash or front constant / rear flash modes.
  • Runtimes: Front 15 Lm or 30, Constant: 15 Lm, 100 hrs Flashing: 30 Lm, 100 hrs. Rear 10 Lm Flashing: 100 hrs.
  • Tool free fitting.
  • Light dimensions: 70mm x 30mm x 22mm.