The Lezyne HR Flow Sensor allows you to accurately monitor your heart rate for improved analysis of your ride performance. The adjustable, flexible strap makes it easy to fit and extremely comfortable.

Small and sleek, the Heart Rate Flow Sensor from Lezyne can still tackle a big job. This high performance, comfortable heart rate monitor is constructed with an athletic strap and durable, yet lightweight, polycarbonate. With an optimized CR2032 replaceable battery, you’ll always know where you stand with this portable and convenient monitor.

Features:

• Durable, lightweight polycarbonate construction with the translucent body and LED indicator
• Flexible strap made from athletic materials
• Replaceable CR2032 coin cell battery
• Weight: 47 grams