Equally robust, it’s output is more than enough for riding on lonely roads. Once you drop to 20% juice remaining, this is indicated by a red coloured LED hidden behind the light’s on/off button.Ī pleasingly chunky light, the slightly unwieldy size of its bracket is less welcome, although not enough to spoil the product.īringing up the rear is the matching 80 lumen Sabre unit. Leave it on full-gas and you’ll get a 1.5 hour burn time, while its lowest 150 lumen flash settings provide up to 35 hours of light. Made of a mix of aluminium and composite material, the Lumina’s 850 lumen output and Collimator lens provide enough light to see where you’re going, even when riding at a reasonable pace. The Lumina 850 is actually one of its smaller options, but while the size and output might be less than its bigger siblings, the build quality is just as bombproof. NiteRider has a good reputation for making robust lights. It’ll need the extra power to stand out during daylight hours. If you want to also use your rear light as a daytime running lamp, look for something with a pulse setting above 50 lumens. On the rear of the bike, anything above 20 lumens will give drivers no excuse for missing you. However, lux (a measure of lumens per unit of area), gives a more representative figure.Ī rule of thumb is that front lights described as producing 400 lumens or more will normally give some useful forward illumination while being more than bright enough to stand out in traffic. Those kicking out over 800 lumens will let you ride at pace away from overhead lighting. Most quote a figure in lumens, which is the total light output. Measuring output should be a simple task, but sadly there is no industry standard – so manufacturers can sometimes get a little carried away. Read our top tips for cycling outside through winter.Using this will prevent dazzling oncoming traffic and preserve your battery. The brightest lights will often have a lower setting for built-up areas. Generally speaking, if you’re cycling in town, look for something that kicks out a broad beam, while if you’re planning to ride off the beaten track you’ll want a more focused beam to help spot upcoming obstacles.
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