Chain Tool: 7–11 speed compatible

Part Number 398-00-681 - 32

waterproof connector and can be easily routed internally in handlebars and frames thanks to its "plug & gap" connection

Output and Runtime: There are 8 modes to choose from with the lowest offering up 15 lumens and the longest run time of a claimed 20 hours

Azur Action Wireless Heart Rate Sensor PLP|Riding Style Chain Tool: 7–11 speed compatibleTop value for money from Azur. This heart rate sensor is wireless and can be connected to your device cycling computer app via either Bluetooth 4. 0 or ANT+. It's compatible with most fitness apps. Super easy to install the Azur Action Wireless Heart Rate Sensor includes the sensor itself and a chest strap.