![]() ![]() Common characteristics of flashing lights in vision Jack can also often be seen zooming about with his partner aboard their beloved tandem.Flashing lights and floaters in eyes symptoms explainedĪre you seeing "light" flash before your eyes lately? Light flashes, sometimes called floaters, are a specific type of eye problem that typically indicates a much deeper issue with the eye. Jack has been writing about and testing bikes for more than six years now, has a background working in bike shops for years before that, and is regularly found riding a mix of weird and wonderful machines. He is also particularly fond of tan-wall tyres, dynamo lights, cup and cone bearings, and skids. With a near encyclopaedic knowledge of cycling tech, ranging from the most esoteric retro niche to the most cutting-edge modern kit, Jack takes pride in his ability to seek out stories that would otherwise go unreported. He is also a regular contributor to the BikeRadar podcast. Jack thinks nothing of bikepacking after work to sleep in a ditch or taking on a daft challenge for the BikeRadar YouTube channel. Always in search of the hippest new niche in cycling, Jack is a self-confessed gravel dork, fixie-botherer, tandem-evangelist and hill climb try hard. Jack Luke is the deputy editor at BikeRadar and has been fettling with bikes for his whole life. As Cycling UK states: “current UK legislation isn’t up to speed with the technological advancements or the effects of global markets”. If all of that sounds incredibly confusing that’s because it is. However, as the amended RVLR allows for flashing lights, but BS6102/3 does not include flashing lights, approval is granted on the basis they have a power output above or equal to the aforementioned 4-candela limit and flash between 60 and 240 times per minute.Ī light or reflector that does not conform to BS6102/3 standards, but conforms to a corresponding standard from another EC country that is marked accordingly would be considered to comply as long as that standard provides an equivalent level of safety. If a light is capable of emitting a steady beam, legislation demands that lights comply to BS6102/3, but few – if any – lights actually comply with these standards. The situation regarding standards can be extremely confusing. Do my lights have to comply with UK standards to be legal? This could easily confuse drivers, especially in poor weather conditions. It is also illegal to fit triangular-shaped rear reflectors on anything other than a trailer. The safest thing to do is run both, perhaps using a helmet-mounted light for the rear flashing LED.Īlso, be aware that it’s illegal (not to mention highly dangerous and irresponsible) to show a red light at the front or a white light to the rear. The jury is still out on whether it’s safer to run flashing or steady lights – a flashing light can distort depth perception and a steady light can be easily lost in a sea of other distracting lights. The light must also only flash between 60 and 240 times per minute (1 to 4Hz). Yes, you can use only flashing lights front and rear, as long as they are both capable of emitting at least four candela (a unit of light intensity, roughly equal to 12 lumens, which is comfortably exceeded by most modern lights). In general, it’s better to have a flashing rear light and leave your front one in its steady setting. Is there a maximum power limit for bike lights? Pedal reflectors, coloured amber, positioned so that one is plainly visible to the front and another to the rear of each pedal.Rear reflector, coloured red, positioned between 25cm and 90cm from the ground, facing rearwards.If capable of emitting a steady light, it must comply to BS3648, or BS6102/3 standards If capable of emitting only a flashing light, it must emit at least four candela. A rear lamp showing a red light, positioned between 35cm and 150cm from the ground, facing rearwards.If capable of emitting a steady light, the light must comply to BS6102/3 standards If capable of emitting only a flashing light, it must emit at least four candela (a unit of light intensity, comfortably exceeded by modern lights). A front lamp showing a white light, positioned up to 150cm from the ground and facing forwards.The minimum legally required equipment for riding a bike at night in the UK Flashing lights are permitted but it is recommended that cyclists who are riding in areas without street lighting use a steady front lamp.” White front reflectors and spoke reflectors will also help you to be seen. It MUST also be fitted with a red rear reflector (and amber pedal reflectors, if manufactured after 1/10/85). “At night your cycle MUST have white front and red rear lights lit. ![]()
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