Garmin Speed sensor 2 & cadence sensor 2 £39.99 @ Amazon

• Transmission of speed, distance and cadence in real time via ANT+ and BLUETOOTH 5.0 Garmin GPS bike computers, GPS watches and other compatible devices
• Recording and saving the distance for analysis in Garmin Connect
• Cadence recording for analysis in Garmin Connect
• Compact design and easy installation
• NOTE Speed sensor 2 can only support 2 concurrent Bluetooth connections. Make sure Speed Sensor 2 isn't already connected to two other Bluetooth devices (that is, devices that aren't your phone). If that's the case, remove speed sensor 2 from one of these other devices

Garmin Bike Speed Sensor 2 and Cadence Sensor 2 Bundle
Monitor your speed and cadence as you ride with these easy-to-install wireless sensors.

With no magnets or other exposed parts to line up, these sensors are easy to install, maintain and move between bikes.

The Garmin Speed Sensor 2 attaches to the hub of either wheel and self-calibrates with your Garmin Edge cycling computer or compatible Garmin device to give you accurate speed and distance at all times — even without a head unit.

The Garmin Cadence Sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training.

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