Designed to match the 105 11-speed group

Backwards compatible:

Connect to Wi-Fi or Bluetooth

Heart Rate

Set of bearings

withings scanwatch horizon green Break_Rim Designed to match the 105Delivery in 1 2 Business Days (Republic of Ireland) Delivery in 3 5 Business Days (Europe) The Withings ScanWatch Horizon heart rate monitor looks like a traditional dive watch, but packs in traditional smartwatch features and top quality health monitoring features such as ECG measurement and SpO2 sensor. Heart film and oxygen saturation The heart rate monitor features a reliable electrocardiogram, or heart rate curve, which you can view directly on