Cadence Sensor issue on Stationary Bike

[talmazor]

I have your run of the mill gym stationary bike and purchased a CooSpo Cadence Sensor. The sensor seems to work fine off the bike, but on the bike I get no reading. Is it possible the bike itself is somehow cancelling out the sensor? Magnetic fields etc?

I had thought it was a defective sensor so I returned the original and purchased a new one, but am having the same issue.

For reference the bike is a True Z7 Upright Bike.

Thanks