VIOO 100 Rear LED Battery-Powered Bike Light - Yellow



Made for

improving the visibility of cyclists, during the day and at night.
These LED lights effectively increase your visibility as you ride (but do not serve as a replacement for lights required by local laws).


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VisibilityVisible from 300 metres away. Flashing and continuous mode.
AutonomyBattery life: 32 hours/continuous mode, 44 hours/flash mode. 2 x CR032 batteries
Easy assembly / dismantlingUniversal attachment system: on the bike or rider (helmet, jacket, etc.)
Waranty2 Years
Technical Information

B'TWIN has created the B'VISIBLE label to designate products that improve your visibility while cycling. It guarantees high-performance visibility that has been scientifically tested and approved in the lab, available on a full range of B'TWIN products.
LED brightness: 8 Lumen.
nformation / Concept / Technology
Structure : 100.0% Styrene Ethylene Butadiene Styrene (SEBS) Inside Shell - Main fabric : 100.0% Printed Circuit Board

Product test
Laboratory tests have been carried out to approve the components: batteries, battery life, UV resistance, durability, etc. The final product is then tested to simulate the durability of the assembly over time. The light is fitted to a test bike to reproduce the vibrations of cycling on a road for several thousand cycles.

Maintenance tips
Remove the electronic device from the VIOO before cleaning the flexible part with clean water and soap.


Sort by:
Superb value for money
Used for 2 to 8 weeks
I have several of these spread over my cycle and they work a treat! They provide a very cheap solution to riding at night and being visible
Bike light
Used for More than 1 year
Very good
Brilliant little light
Used for 2 to 8 weeks
Bought these to go on my helmet. They are perfect and really good in the dark. I would definitely recommend and at £2.99 they are a bargain
Used for 3 to 6 months
Good price great product
Don't use it in the wet
Used for 2 to 8 weeks
As soon as I used it in the rain it stopped working.

I suppose you get what you pay for.
Response of the brand
I'm sorry to read that your light is faulty.
Please do not hesitate returning it to us for a refund or a replacement.
Peter Lazarus, National Cycling Manager, DECATHLON
Excellent light at an excellent price
Used for More than 1 year
You can loose or damage lights. This is perfect? A excellent bright light for an excellent price.
Vioo 10 Rear LED Bike Light - Blue
Great value for money
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