Garmin Bike Speed Sensor 2 - Wireless Cycling Computer for Accurate Speed & Distance Tracking - Perfect for Road Bikes, Mountain Bikes & Indoor Trainers

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