Upgrade your cycling performance with this advanced Bluetooth 5.0 and ANT+ bike sensor set, combining cadence, speed, and heart rate tracking in one powerful package. Designed for both indoor training and outdoor cycling, it delivers real-time performance metrics directly to your smartphone, bike computer, or fitness app. With ultra-lightweight sensors, long-lasting batteries, and IPX7 waterproof protection, you can ride confidently in any condition. The included HR monitor strap ensures accurate heart rate readings, while automatic sleep and shock resistance features add durability and efficiency. Perfect for riders of all levels who want to optimize training, analyze data, and achieve their fitness goals faster.
Automatic Sleep | Yes |
Wireless Transmission | Bluetooth 5.0, ANT+/2.4G |
Waterproof Level | IPX7 |
Battery (Speed/Cadence) | 1 × CR2025 (included) |
Working Time (SPD/CAD) | Approx. 300 hours |
Shock Resistance | 1.5m Natural Drop |
Sensor Size | 36 × 34 × 7.7 mm |
Sensor Weight | Approx. 7.8 g (with battery) |
Heart Rate Monitor Size | 59.8 × 35.3 × 11.9 mm |
Heart Rate Range | 40–240 BPM |
Heart Strap Length | 65–95 cm |
HR40 Battery Time | Approx. 340 hours |
HR40 Weight | 47 g |
Connectivity | Smartphones, bike computers, fitness apps (Bluetooth 5.0 / ANT+) |
Installation | Strap-on mount (no tools required) |
Warranty | 1 Year |
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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