320 Wireless Cyclometer

8173017

B'TWIN

measuring and analysing your cycling.
4-function, wireless cyclometer, easy to install!

Advantages
Ease of useIntuitive interface, simplified programming, large ergonomic buttons.
Parameter measurement4 functions: speed / partial distance / total distance / clock.
Easy assembly / dismantlingVery quick and easy tool-free fitting on the stem or handlebar. Wireless.
Easy readingLarge display and numbers for quick and easy reading.
DurabilityWatertight assembly, durable case.
Warranty2 Years
Characteristic
ConnexionWireless
Information / Concept / Technology
Composition
Inside room : 30.0% Copper (CU), Inside room : 20.0% ALLOY, Inside room : 20.0% Epoxy, Inside room : 20.0% Glass - Fibre (FG), Inside room : 10.0% Battery - Lilo Structure : 100.0% Acrylonitrile butadiene styrene (ABS) Elasticised band : 100.0% Silicone

Reviews

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great value
Verified purchase What is a review "Verified purchase" ?

Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

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Used for More than 2 years
I have had 2 of these before, there quite robust and long battery life.
Budget cyclometer
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Used for 2 to 8 weeks
This cyclometer is slow to start displaying your speed when you first set off and the display contrast is not great making it difficult to read in some lights. Overall it works so for the price its pretty good.
Good
Used for 2 to 8 weeks
It is a good option to go for. Really helpful. Only doubt arising is that Is it waterproof?
Response of the brand
Hello Shubham, 

Thank you for showing interest in the wireless cycle computer. The device is water repellant and not water proof. Which means it can withstand very mild water spills/ drizzles but it cannot be used in torrential rainfall. It cannot be dipped in water as well. 

Deepak BABU DECATHLON
Shubham found this answer helpful
Fiddly installation & not ideal for larger bikes
Used for 1 week or less
This was far more difficult and frustrating to install than my previous (Halfords) cycle computer. The instruction sheet relies on rather confusing drawings rather than explanatory text and I didn't find it very helpful. More worryingly, the maximum distance between the sender unit you mount on the forks and the computer is 25.5 inches/65 cm. This means that, if you have a large adult framed bike with slightly elevated handlebars, the magnet and sender unit have to go near the very outer rim of the wheel - and even then I had to bend the sender unit until it almost touched the spokes to get a reading.
OK, so this is a pretty cheap unit, but the quality and functionality is very disappointing and I wish I'd paid a bit more at Halfords!
Response of the brand
Thank you for your feedback on this product. Thankfully a totally new design is due out shortly which does away with the need for a magnet which can only be mounted on the front wheel.
The new models use a gyroscope wrapped around either hub with much better distance (up to 3m) allowing you to use is it on either the front or rear hub which is great for turbo training.
Magnets always have short distances as they can interfere with other computers but as this is coded it will not occur.
This is a web preview link to the new computer: https://www.decathlon.co.uk/500-wireless-cyclometer-id_8382195.html
Regards.
Peter Lazarus UK Cycling Market Manager DECATHLON
Grant found this answer helpful
Awful cycle computer.
Verified purchase What is a review "Verified purchase" ?

Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

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Used for 3 to 6 months
Worked for about 5 mins then stopped working.
Response of the brand
Please return this item to us for a refund or an exchange. If the unit is faulty then it is covered under warranty.
Regards,
Peter Lazarus UK Cycling Market Manager DECATHLON
Good product for basic information
Used for 1 week or less
If you are a beginner you can go for it cause it shows you basic information needed for cycling. A bit disappointed with the manuals.
Great
Verified purchase What is a review "Verified purchase" ?

Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

The label "Verified purchase" lets help you judge the reliability of a review.
Used for 2 to 8 weeks
It does what it should. Reports speed, time, distance traveled for a trip, and distance traveled in total(let's say since purchase if you haven't reset). It does require a bit getting used to, didn't receive any manual, which was disappointing. Also, plugging and unplugging from the bike is difficult. I am always worried that the lodge(the pin on bottom-left of odometer) may break if too much force is applied. It hasn't broken, though, but since it's plastic and does require a good amount of energy to plug, the worries follows. Decathlon should train once or twice on how to plug-unplug for amateurs.
Nice interface, Highly precise, good features
Absence of how-to-use manual
Good
Nice product
no night mode cant see digits in night
The Btwin count 4 speedometer is good
I lost my sensor what can i do . The strap should be improved
It has a good quality and working properly
the silicon strap is not good it breaks very fast
Sensor came off
Used for 3 to 6 months
I am a decathlon loyal customer but really disappointed by the design of the product count 8. The count 8 has-been removed from the website thereby I have to write my review on the similar product. While fixing the sensor the store guy set the distance between the magnet and the sensor less than 3mm as it wasn't detecing the wheel rotation.One day during the ride the sensor came of and a car ran over it..The design needs to be improved as for better hold on the fork and sensing at the distance(5mm) . I was lucky that the sesor didn't hit and damage the expensive road bike wheel.
Nothing
Bad design
Response of the brand
Hello Pranav, 

The store representative has done the right job in installing the sensor because the sensor has only a range of <3mm. Unfortunately, this is the best range of the sensor at this price point.  However, you feedback is valid because it is possible that the rims tend to bend while riding in rough conditions and there is a possibility of the of the sensor getting damaged. This problem can be solved if the sensor is angled away from the direction of rotation of the wheel. I will forward your review to the brand and try to improve the product. 
Thank you for taking the time to give us your feedback

Deepak Babu E-sport manager DECATHLON