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Biomotion Light
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Biomotion Light
Of all accidents, 66% of bike accidents happen from the side on roundabouts. Ziemi's unique Biomotion lighting illuminates your moving legs on the bike. This way, you are visible and recognizable as a cyclist, even from that dangerous side!
Our universal holder is included
What's in the box?
With the included universal holder, you can easily attach the Biomotion Light to any bike in one motion. Thanks to the magnetic connection, it stays securely in place, but you can just as easily take it with you when you leave. The rechargeable battery lasts up to two weeks with average use, and the light itself? It's no bigger than a lighter, but much more powerful.
Weight: 30 grams Battery life: up to 5 hours USB-C rechargeable Rain resistant IPX5
What do Ziemi users think?
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Experts on Ziemi
Being seen better and sooner can make cycling safer
"For ten years now we've seen an alarming rise in the number of cycling casualties in our hospitals. Among cyclists, severe brain injury is the leading cause of death. Being seen better and sooner in traffic is one of the (obvious) interventions that can make cycling safer, fast. This fine Dutch invention is starting to change that."
Dr. Marcel Aries
Neurologist-intensivist
Being seen better and sooner can make cycling safer
"For ten years now we've seen an alarming rise in the number of cycling casualties in our hospitals. Among cyclists, severe brain injury is the leading cause of death. Being seen better and sooner in traffic is one of the (obvious) interventions that can make cycling safer, fast. This fine Dutch invention is starting to change that."
Gerard Tertoolen
Traffic psychologist
Ziemi is great for car drivers
"You're clearly visible, and drivers see a person instead of a small light. That's a relief for motorists. The benefit is greatest at close range, because that's when you can tell what the other person is about to do. A cyclist can make unexpected movements, and a light like this lets you spot them sooner."
Eva Rensman
Testpanel Fietsersbond
Once I started testing it, I got excited
"At first I was a bit sceptical: the flashy presentation, the trendy box, the slick videos. But once I started testing it, I got excited. I was more visible, visible sooner, and visible from more angles."
TNO
Scientific Research
Ziemi's lights make you visible over 52% sooner
"Because the light illuminates your moving legs, your biomotion, you're easier to see. TNO research confirms it: Ziemi makes you visible 52% sooner and recognisable as a cyclist 24% sooner."
Biomotion in 1 minute
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Frequently asked questions
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Ziemi doesn’t light up the road ahead of you, but rather the cyclist’s moving legs. This makes your Biomotion (your human movement) visible, causing other road users to automatically be more alert and cautious.
With standard bicycle lights, it is important that the light has a wide beam angle to ensure a clear view of the road ahead. If such a bicycle light were to be turned upside down, this would not only dazzle you, but it would also obstruct the view of other road users. Ziemi has been carefully designed to illuminate only the cyclist’s moving legs.
No, the Ziemi is not intended as a replacement for your traditional front light. It remains important to use a standard front light to ensure you can see the road clearly and are visible from the front.
Ziemi is a supplementary light that makes your moving legs visible from the front and sides, making you more recognisable as a cyclist and safer in traffic.
The Biomotion Rear Light has a two-in-one function. It acts both as a traditional rear light and as a light that illuminates your legs.
Reflectors definitely improve visibility and are compulsory on every bicycle. However, reflectors work reactively. This means that light must first hit them before they become visible. Consider a situation at a roundabout: if you’re approaching from the corner of someone’s eye, the light hits the reflector too late.
The Ziemi ensures that you are constantly visible and well-lit whilst taking part in traffic. It is precisely in the corner of the eye that you now stand out, thanks to a larger illuminated surface area and your recognisability as a person.
The Ziemi housing is designed in such a way that the light is directed exclusively at the cyclist’s moving legs and is then reflected towards the front and sides. As a result, the white light is only visible from the front and sides, and not from behind.
The Ziemi is designed to shine only on your legs and nowhere else. When you’re on your bike, you won’t notice it in your field of vision, so you can set off with peace of mind.
The Ziemi has a built-in rechargeable battery. You will receive a matching usb-c cable included in each package. As a result the Ziemi can last for years and can be used every time.