4iiii Replacement chest strap for V100 HRM

The heart rate monitor of choice for top cycling teams like Jumbo Visma, the Viiiiva is so much more than your standard Heart Rate Monitor.

Storing up to 65 hours of workout data you can be sure that your valuable data is never lost during a key training session.

It's not just a heart rate monitor: The Viiiiva can act as a ANT+-to-Bluetooth bridge to connect your ANT+ devices to a Bluetooth-only receiver such as a smartphone, tablet, or laptop. The lets you connect your ANT+ device with your favourite training software such as Zwift, TrainerRoad, TheSufferFest, Rouvy, and more.

It's Easy

Tap-to-pair: connection lets you simply tap your iOS or Android smartphone to your Viiiiva pod to immediately connect the devices.
Display compatibility: gives you the freedom to use your choice of ANT+ and Bluetooth compatible displays with Viiiiva.
The 4iiii app: enables you to see your activity in real time, access upgrades through our web store, and transmit your activity data to other training apps or websites.
4iiii App - iOS4iiii App - Android

It's Advanced
Activity logging: means you can not only view your data in real time, but you can also save up to 65 hours of data on Viiiiva and transfer it to another device or application.
ANT+ sensor bridge: lets Viiiiva collect data from other ANT+ sensors, then transfer it via Bluetooth to your iOS or Android smartphone.
Fitness equipment pairing: enables you to pair Viiiiva with cardio equipment in the gym for real-time and logged data.

Specifications

Data Recording: Up to 65 Hours from Viiiiva and connected devices
Weight: 5 g (1.76 oz)
Dimensions: 6.5 cm x 4.5 cm (2.55 in. x 1.77 in.)
Strap length: 57–132 cm (23–52 in.)
Battery type: CR 2032
Battery life: up to 200 hours
Operating temperature: 0–50 C (32–122 F)
Waterproof rating: IP 67 (protected from dust and 1-meter water immersion)
Radio Protocol: ANT+ HR and Bluetooth Smart Heart Rate