Magene H603 Heart Rate Sensor-Red hex key and many customers have been

and many customers have been requested

Seeing is believing

Suitable and safe - specifically designed for bike shoes

Chainline : Dependent on the crank model (1 or B1/B2)

Rubberised ergonomic handle

Magene H603 Heart Rate Sensor-Red hex key and many customers have beenFeatures: LED Light Reminding Long Battery Life: Lasts for 1000 hours: 1 hour per day, 4 times per week High Performance of Real time Heart Rate Tracking Specifications: HR Range: 30~240BPM HR Accuracy: + 1 BPM Wireless Protocol: ANT+, Bluetooth 4. 2 Dimensions: 62. 3 x 35. 1 x 11. 5mm Chest Strap Length: 64 86cm (+ 2cm) Chest Strap Type: Split Chest Strap Chest Strap Cleaning: Rinse with water (machine washing or scrubbing not recommended) Waterproof