Buy here : https://goo.gl/TD7wu5

Features:
3-in-1 CYCLING COMPUTER: bike, cadence and heart rate mode.
THE BIKE MODE: OSO: distance accumulated for bike 1 or bike 2; TOT: distance accumulated for bike 1 plus bike 2; DST: distance accumulated on each ride; Average / max. speed; Speed tendency & speed comparator; Clock, riding time, temperature, calories burned and fat burned; Scan function.
THE CADENCE MODE: Current / average / maximum cadence; Scan function.
THE HEART RATE MODE: Current / average / max. / min. heart rate; Heart rate zone & heart rate zone alert; Scan function.