XOSSX1 Speed Cadence Sensor Wireless Bike Speedometer Power Meter Bike Trainer Bike Computer Use Indoor Outdoor Bike Use Peleton OpenRider- 1 Pack

I bought this sensor to pair with my Polar Grit X watch that I started to use as a GPS computer. This sensor paired easily to the Grit X and now I'm able to add the cadance to the display where I can see it while riding. This sensor was a good price compared to others and works really well. Some reviews mention this sensor can't be turned off and drains the battery. I verified that the sensor turns itself off after some time of inactivity and turns on with a couple of rotations of the crank.

Ok, the product is small, works fine and has the right options to easily install on your pedals, but…..The thing does not turn off but you have to take it off your pedals (hard to do when your hands are sweaty) and take the batterie out for it to stop. Only to have to reinstall when you need to use it again the next day. Be careful because once the battery is reinstalled, it might be on speed or cadence. If the wrong one, you’ll need to take it out again. What a complete pain in the a…..I’m not engineer but an off switch or that it turns off when not in use would be a simple solution.

Very small compact sensor which fits on my left side crank comfortable with the supplied rubber bands. It links with my cycle computer after a few revolutions. It does switch off if idle for a few moments, but comes alive rapifly. There is a 4/5 second delay between the cadence and the computer. All in all happy except for the price which is only 22 USD in US but 35 USD equivalent here in India.

These are awesome sensors. You need one for speed and one for cadence. I am using Wahoo app to track speed and cadence and they paired instantly inside app as you don’t pair to phones Bluetooth. Would buy again in a second. I checked the cadence and speed compared to my spin bikes default monitor and the cadence was bang on and speed was off by about 15%. This is easily adjusted inside app with wheel size selection so mounting anywhere on where is doable.

Well, i used it 3 times on my indoor trainer, and it broke on 3rd use. Seemed to be working ok, but unfortunately it is really flimsy, and the plastic tab where the elastic attaches. Unusable now after 3 uses.