Garmin Heart Rate Monitor - Dual Wireless Strap & Sensor eyewear new Retention System: The ROC LOC

Retention System: The ROC LOC Air DH retention system features a large

Rear Hub: Division Alloy Sealed Bearing Cassette 9T 14mm axle

Ideal for long rides in the mountains or hotter days in the saddle

The pre-shaped form and strategic cuttings of the pad enable it to fit the natural posture of your knee and make sure that the pad can follow those movements

Garmin Heart Rate Monitor - Dual Wireless Strap & Sensor eyewear new Retention System: The ROC LOCGarmin Heart Rate Monitor Dual Wireless Strap & Sensor Heart Rate the Easy, Accurate Way This premium heart rate strap transmits real time heart rate data over ANT+ connectivity and BLUETOOTH Low Energy technology, giving you more options to train indoors, outdoors or even online. With it, youll be able to consistently receive accurate heart rate on your Garmin device, in online training apps such as Zwift or even the compatible fitness equipment in