Manuals for Decathlon Cycling Computers

Below you can find all models Decathlon Cycling Computers for which we have manuals available. Also view the frequenty asked questions at the bottom of the page for useful tips about your product. Is your model not on the list? Please contact us.

Is your product defective and the manual offers no solution? Go to a Repair Café for free repair services.

Frequently Asked Questions

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

Why do I need to enter the size of my wheel? Verified

To calculate the traveled distance, the cycling computer uses the number of revolutions. The number of revolutions multiplied by the size of the wheel equals the traveled distance.

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How many miles is one kilometer? Verified

One kilometer equals 0,621 mile. Ten kilometers makes 6,21 miles. One mile equals 1,609 kilometer. Ten miles makes 16,09 kilometers.

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A battery in my device is oxidized, can I still safely use it? Verified

Ja, the device can still be safely used. Firstly, remove the oxidizd battery. Never use bare hands to do this. Then clean the battery compartment with a cotton swab dipped in vinegar or lemon juice. Let it dry and insert new batteries.

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Latest comments

Manual Decathlon DC-7r Cycling Computer
Francois de Sonis 05-03-2023
How far from the center of the wheel should I place the magnet?


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Decathlon DC-7r Cycling Computer
Manual Decathlon DC-7r Cycling Computer
Giraldi Michele 07-08-2022
What type of battery does the dc7r mount? Thank you


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Decathlon DC-7r Cycling Computer
Manual Decathlon DC-10r Cycling Computer
Claudio Bello 31-05-2022
How do I enter the size of my bicycle tire (26'', 1.6) Thanks for the answer


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Decathlon DC-10r Cycling Computer
Manual Decathlon DC-7r Cycling Computer
MICHEL MAINGUY 30-04-2022
HOW TO STOP IT


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Decathlon DC-7r Cycling Computer
Manual Decathlon DC-7r Cycling Computer
Antonpibeta 09-07-2021
Hello people. I am "working". I pulse both at the same time and set it to zero. But when I walk a few meters I don't see them registered anywhere - and the battery is fine. Do you have to hit somewhere to start counting the meters? Thank you for your help.


(Translated by Google)
Decathlon DC-7r Cycling Computer