I've never owned a cadence sensor hence the mildly silly question but provided you have a sensor, does it mean that your Garmin would use that as the primary basis of speed measurement (rather than GPS) and would it therefore continue operating in tunnels etc (locations with no GPS signal)?
I've never owned a cadence sensor hence the mildly silly question but provided you have a sensor, does it mean that your Garmin would use that as the primary basis of speed measurement (rather than GPS) and would it therefore continue operating in tunnels etc (locations with no GPS signal)?