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ANT+ speed/cadence sensor kit

Cycling Computer - ANT+ Speed/Rate Sensor, Cycle Computer Accessory B'TWIN
Cycling Computer

B'TWIN ANT+ Speed/Rate Sensor, Cycle Computer Accessory

measuring your speed and cadence (pedalling rate). Kit for a second bike, 2.4 GHz wireless ANT+ coded transmission. Speed/rate sensors kit for COUNT7 cyclometer. ANT+ 2.4GHz coded wireless transmission. Compatible with all computers with ANT+ technology.

To view our full range visit our cycle computers category.

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Reference : 8181211

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Product benefits

    • Precision
    • Coded wireless digital transmission (ANT+ 2.4 GHz technology).
    • Compatibility
    • Compatible with all cyclometers with ANT+ technology
    • Easy assembly / dismantling
    • Tool-free, fast and easy mounting on the chainstays.
  1. Guarantee : 2 Years

your reviews

3.4 / 5

31 reviews

20 people recommend this product

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Simple Speed & Cadence Sensor

Competitive Price, easy setup, reliabale.

Battery was discharged when pruchased


  (United Kingdom)


5 5

used for 2 to 8 weeks Simple straight forward ant+ speed/cadence sensor. Easy to setup and pair with gps unit or smartphone (with ant+ connectivity) . I have one of these sensors on each of my bikes and both work flawlessly. Would have not problem recommending this product as its half the price of competitors. One word of note is that you made need to change the battery after purchase before use, not a big thing but check before returning product because its not working out of the box.
Finally just a word on the service from Decathlon, being based in the Rep. of Ireland I don't have a local store and this product was not available online at time of purchase. Decathlon Stockpot organized a intra-store delivery to Decathlon Belfast who promptly dispatched the item to me in Dublin. Great service from all at Decathlon.

Cheap but not cheerful

Cheeper than alternatives.

Stops working after a few months wait


  (United Kingdom)


2 5

used for 3 to 6 months I had one of these sensors which work well when I first got it. The one day half way through a ride it just stopped working. This was not due to water ingress as others have had problems with as it was dry inside. I tried changing the battery but my computer could not longer connect to the sensor.
To make this worse I asked for a replacement as was asked to return the old one by post. When I did this I was told it was no longer in stock and had been discontinued so asked for a refund. Now only two weeks later the are back in stock again. I have lost a lot of confidence in the customer service at decathlon and this product.

Response of the brand

Dear Sir,
This model was indeed out of stock and has been discontinued.  Some residual stock may have come back in but this was not expected.  I can assure you that you were not intentionally misinformed.
Peter Lazarus UK Cycling Market Manager DECATHLON

Cant get it to work


  (United Kingdom)


2 5

used for 1 week or less I bought one of these for my second bike hoping it would be compatible with my Btwin count14 computer. But i can't get it to work, the battery has charge as the green light comes on and the sensors are definitely close enough. Its the same speed and cadence sensor that came with my count 14 computer so i am confident i have set it up properly.
So it is odd that it doesn't work.

Response of the brand

Dear Sir,
The unit may be faulty.  It is possible that this is the case.
If you have tried everything then you may need to return it to us for a refund.  We no longer stock this item (the count 14) therefore we can't offer a replacement cadence sensor.
I do appreciate that this is a pain for you.
As a gesture of goodwill, we can replace your unit with this model as well as two cadence sensors ensuring that you can keep measuring your performance when on the bike.
It's the only solution we can provide I'm sorry to say.
Peter Lazarus UK Cycling Market Manager DECATHLON

Good value

Very reasonable price

Battery dead out of the box


  (United Kingdom)


3 5

used for 2 to 8 weeks Compared to other makes this makes good value, but check the battery before you leave the shop. Initial impressions are the quality is not on par with the other makes, but if I get a couple of years out of it, and it auto pauses less than my Garmin one I will be happy.

Another dead battery

Good value. Simple setup with Garmin 500.

Dead battery supplied.


  (United Kingdom)


3 5

used for 1 week or less Great value product! However as another reviewer noted this new item was supplied with a dead battery. Once replaced and "green" test light visible then the sensor was simple to detect/pair with my Garmin Edge 500 unit.

Information / Concept / Technology

Restricted use :

Only compatible with computers with ANT+ technology.

this product has been designed with following concepts

GEONAUTE me, my environment, my community

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