Light & Motion Stella 400 front light review£274.99

Dark-fighting double act

BikeRadar score2.5/5

The new 400 set links two of L&M’s thumb-sized Stella units into a useful dark-fighting double act. The heads are split between a focused spot and a broader flood beam. Unlike most twinsets though, a single button controls both, so you can adjust power levels but you can’t run one light or the other.

This works pretty well, with a useable width and power to the separately-aimed double-beam spread. Typically for L&M, everything is really well-made, with surprisingly secure stretch-band bar brackets and totally waterproof dive light connectors to the small three-cell battery.

The lights’ overall output doesn’t come anywhere close to the same priced Lumicycle XPG though, so you’d really have to value the slightly lower weight to choose these.

Light & motion stella 400 light beam: light & motion stella 400 light beam
Light & motion stella 400 light beam: light & motion stella 400 light beam

For more information on how we tested this year's crop of lights, see our latest buyer's guide to mountain bike lights and Tested: 30 high-power mountain bike lights.

Guy Kesteven

Freelance Writer, UK
Guy started filling his brain with cycle stats and steaming up bike shop windows back in 1980. He worked the other side of those windows from '89 while getting a degree in “describing broken things covered in mud" (archaeology). Dug historical holes in the ground through the early '90s, then became a pro bike tester in '97. Guy has ridden thousands of bikes and even more components the world over since then and can remember them all in vivid, haunting detail. Can't remember where the car keys are, though.
  • Age: 45
  • Height: 180cm / 5' 11"
  • Weight: 68kg / 150lb
  • Waist: 76cm / 30in
  • Chest: 91cm / 36in
  • Discipline: Strict sadomasochist
  • Preferred Terrain: Technical off-piste singletrack and twisted back roads. Up, down, along — so long as it's faster than the last time he did it he's happy.
  • Current Bikes: An ever changing herd of test machines from Tri bikes to fat bikes and everything in between.
  • Dream Bike: His Nicolai Helius AM custom tandem
  • Beer of Choice: Theakston's Old Peculier (not Peculiar)
  • Location: Yorkshire, UK

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