The 4iiii Viiiiva Heart Rate Monitor is your ultimate training companion, whether you're a seasoned pro or a dedicated fitness enthusiast. Engineered with precision power meter technology, it delivers industry-leading accuracy, ensuring highly dependable cadence data for optimal performance tracking.
The Viiiiva is designed to be durable yet lightweight, this heart rate monitor is compatible with ANT+ and Bluetooth head units, offering seamless integration with your existing fitness gear. With 3D power meter technology, it measures tri-axial strain on your crank arm, providing accurate and consistent data to help you train smarter.
With a battery life of over 100 riding hours on a 2032 coin cell battery, you can trust that the 4iiii heart rate monitor it'll keep up with your training demands. This innovative device features a battery status indicator via the 4iiii app, ensuring you're always aware of its power status.
Key Features
- Heart rate monitor
- Compatible with ANT+ and Bluetooth head units
- 100 riding hours
- 2032 coin cell battery
- 4iiii app available
- Measurement Type: ECG-Electrocardiogram
- Operating Temperature: 0 - 50°C (32 - 122°F)
- Storage Temperature: -20 - 60°C (4 - 140°F)
- Battery Type: CR2032 lithium ion coin cell
- Battery Life: 160hrs
- Waterproof Rating: IPx7
- Radio Frequency: 2.4GHz
- Strap Length: 57 - 132cm (23 - 52in)
- Length: 65mm (2.6in)
- Width: 37.4mm (1.5in)
- Depth: 11.2mm (0.4in)
- Weight:
- Communication Protocols: ANT+, Bluetooth®
- Activity Save Duration: Up to 60hr
- R-R Interval Unit: 1/1024s
- COMMUNICATION COMPATIBILITY
4iiii Viiiiva heart rate monitors use both the ANT+ PWR and Bluetooth Smart Cycling Power Service standards, which makes them compatible with nearly every headunit, smartphone, or computer you wish to connect to. Check your recording device documentation for ANT+ PWR or Bluetooth Smart (also called BLE, BTLE, or BT4.0) Cycling Power Service capability.
Tip: A 4iiii Viiiiva can be used to record your workouts along with your heart rate.
Welcome to North Sports! We are delighted to offer free UK delivery for orders over £50.
When a purchase is complete tracking information will be sent to you, if available, at the earliest.
Delivery Courier Services
Your delivery will usually be carried out through the distributor's own courier service. This is to help speed up deliveries for our customers.
Deliveries are Monday-Friday and the courier might be able to deliver on Saturday's for an additional cost.
Our ordering team will always request the courier contacts you on the day of delivery to advise they're on route but please note the driver contacting you is not guaranteed and we only request that this happens.
Pre-Assembled Ready To Ride Delivery
Throughout the website there are selected products with the product option to have pre-assembly for an additional cost.
Next Day Delivery
Next Day delivery is subject to availability. Please contact us prior via email for us to confirm if this option is available.
Returns
If you've changed your mind about keeping your purchase please email returns@northsports.co.uk, within 14 days from receipt of delivery ensuring you quote your order number. Want to know more? Please visit our full returns page here.
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