Garmin Bike Speed Sensor 2 - Wireless Cycling Speed and Distance Tracker for Road & Mountain Bikes - Perfect for Training, Racing & Outdoor Cycling Adventures

Monitor your speed as you ride with this easy-to-install wireless sensor. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.

• Speed sensor 2 attaches to the hub of either wheel
• Set up wheel size in the Garmin Connect™ community or self-calibrate
• Get accurate speed and distance at all times, even without a head unit
• ANT+® connectivity and Bluetooth® Low Energy technology
• Odometer feature tracks your distance to help plan for bicycle maintenance
• Dimensions: 3.25 x 1.25 x 0.25 in