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With a close fit
While power measures your external output (watts)
and versatility
Tubular: most inflating foam sealants
increases visibility in low-light conditions for added on-road safety
4iiii Viiiiva Heart Rate Monitor V200 Snow Helmets With a close fit4iiii Viiiiva Heart Rate Monitor V200 Train smarter and track your performance with the 4iiii Viiiiva Heart Rate Monitor V200, a high precision chest strap designed for cyclists, runners, and endurance athletes. By measuring your heart rate (bpm) in real time, the Viiiiva reveals how your body responds to training, helping you optimise workouts, improve fitness, and manage recovery. When paired with a 4iiii Power Meter, the Viiiiva provides a complete
US$ 7000.00
US$ 70.00
