Decathlon technical support

Need assistance with your heart rate monitors and belts? The DECATHLON after-sales service will help you find the assembly and commissioning instructions as well as our advice on updating your Decathlon watches and heart rate belts.

CARDIO WATCHES AND ACCESSORIES | DECATHLON AFTERSALES SERVICE

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            <h1 class="hb_title hb_header_title hb_txt-white hb_padding-bottom-sm">CARDIO WATCHES AND ACCESSORIES</h1>
						<p class="hb_txt-white hb_padding-top-sm">Choose your watch or your heart rate monitor belt, and find the instructions for use and first start-up as well as our advice for regularly updating your Decathlon watch or belt.</p>
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ELECTRONIC PRODUCTS

CARDIO WATCHES AND ACCESSORIES

Heart Belt Dual ANT+ / Bluetooth

ONrhythm 110

ONrhythm 400 HW Coded

ONcoach Cardio

ONrhythm 500

ONrhythm 100

ONrhythm 410 Progress

CW Kalenji 300 Coded

ONrhythm 310 Access

CW Kalenji 700 Coded

ONrhythm 50

Cardio Connect