Bike sensors Alatech
There are Cycling sensors for speed, cadence and power. The speed sensor is fixed onto the bike wheel and provides speed and distance data, cadence sensors are fixed onto the pedal and calculate the cadence of each pedal stroke, that it to say the number of pedal strokes per minute, and the power sensor provides instant precise information about the power, in watts, of your pedalling.
Dual Technology: Both ANT+ and BLE capabilities allow it to connect to both smartphones and GPS watches.
Tracks your pedaling rate and biking speed at the same time.