4iiii Viiiiva Heartrate Monitor belowcost Add in a full suite

Add in a full suite of pro-level features and you have a helmet bound for the podium

and 13-degree flare make it easy to access brake levers and shifting controls from all riding positions

And while the 303 XPLR SW is built big

Featuring deep coverage with aggressive ventilation from 16 vents coupled with deep internal channeling

Short profile provides targeted support for riders of any gender in a performance riding position

4iiii Viiiiva Heartrate Monitor belowcost Add in a full suiteThe Viiiiva is so much more than a heart rate monitor. The Viiiiva can act as an ANT+ to Bluetooth bridge so you can broadcast your ANT+ devices to your Bluetooth devices all through your Viiiiva heart rate monitor. The Viiiiva also records every second of your workout, including data from paired ANT+ devices. If something happens to your head unit or watch the Viiiiva will keep your data safe, up to 65 hours of it. Its Easy Tap to pair connection