Sensor: Geomagnetic sensor. Wireless interface: Bluetooth/ant+. Product: Speed sensor. 1pcs speed sensor (with a battery). In speed mode, you need to set the wheel size to use the app. Install the battery to switch the mode speed model to the rhythm model.
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Wired Bicycle Odometer Waterproof Bike Computer LCD Digital Stopwatch Cycling Speedometer MTB Bike Speed Counter with Backlight
Aliexpress UK
Reinstall battery can Switching Mode speed model to cadence model or cadence model to speed model. Speed + cadence bi-mode sensor. Works with standard Bluetooth speed or cadence protocol Bluetooth bicycle computer or watch.
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Bicycle Speedometer Bike Computer BN 518 Multifunction Waterproof Stopwatch Bicycle MTB Odometer Stopwatch Cycling Accessories
Aliexpress UK
【Cadence Sensor Mode】：Reinstall the battery until the blue light flashes to indicate the cadence mode.Rotate the crank and search for the sensor using ANT+ or Bluetooth device. Speed & Cadence Dual Sensor.
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OFFBONDAGE Wireless Bicycle Computer GPS Bike Speedometer Cycling Odometer ANT+ APP Sync Slope Altitude Bicycle Accessories
Aliexpress UK
Cycplus C3 cadence and speed sensor. Get a Cycplus C3 sensor! It also supports Bluetooth 5.0 and the ANT+ protocol. One CR2032 battery (included) is enough to power the sensor.
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Bicycle Stopwatch Mount Aluminium Alloy Bike GPS Speedometer Support Waterproof Bicycle Computer Bracket for Garmin Accessories
Aliexpress UK
I don’t have the original box anymore, but the instructions are easy to find online if needed.
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Bicycle Computer Stopwatch Holder for Garmin Quick Fit Bike Speedometer Mount MTB Bike Watch Bracket Cycling Accessory20/22/26mm
Aliexpress UK
From the downhill mountain biker to the farsighted cyclists, the Padrone is ideal for anyone who wants to enjoy a squint-free ride and a fast, simple set-up. Trip Distance, Total Distance. This philosophy has been very much embraced by the team at Tweeks Cycles.
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Bicycle Computer Holder Base Bike Camera Mount Holder Bracket Adapter Aluminum Alloy Bicycle Camera Light Mount for Garmin Gopro
Aliexpress UK
Cadence or Speed Sensor : Switch the battery, it will switch between rpm cadence and speed mode. Cadence sensor attaches on crank, blue LED will light up for three seconds on the panel. Speed sensor mounts on the axle with red LED light up for three seconds on panel.
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Bicycle Handlebar Extended Bracket Bike Mount Bar Computer Holder Support Rack Alloy Stand Double Frame Bicycle Clip
Aliexpress UK
Reinstall battery can Switching Mode speed model to cadence model or cadence model to speed model. Speed + cadence bi-mode sensor. Works with standard Bluetooth speed or cadence protocol Bluetooth bicycle computer or watch.
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KOCEVLO Carbon Fiber AM Dirt Bike Integrated Handlebar,MTB Mountain Bike XC Handlebar With Computer Stand,800mm Bicycle Handle
Aliexpress UK