The Wahoo TRACKR SPEED sensor is the sleek, magnet-less solution for capturing cycling speed data. It easily mounts to your bike's front wheel hub, and the Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and bike computers. Tracking speed data has never been this easy. Replaceable BatteryNo charging required! Operates on a coin cell battery for up to 200 hours of use.Dual Band TechnologyBoth ANT+ and Bluetooth Smart allow for a wireless connection to both smartphones and bike computers.Universal FitTRACKR SPEED will fit with most hub sizes.Visible ConnectionTwo LED lights show the sensor's device connection (blue) and speed detection (red). What’s Included TRACKR SPEED Sensor and MountCR 2032 Battery (installed)Quick Start GuideImportant Product Info Guide Tech Specs Part Number: WFTRACKRSPD1Physical Dimensions:W: 3.5cm x H: 3.2cm x D: 1.8cmW: 1.4in x H: 1.3in x D: 0.7inWeight: 13 grams (0.5 oz)Battery: CR2032Battery Life: Up to 200 hoursWater Rating: IPX7 (submersion up to 1 meter for 30 minutes)Maximum Hub Diameter: 40mmNote: Speed Sensor is NOT compatible with spin bikes
